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anonymous
 5 years ago
Use an addition or subtraction formula to find the exact value of the expression.
tan(5pi/12)
sin(23/12)
cos(13pi/12)
anonymous
 5 years ago
Use an addition or subtraction formula to find the exact value of the expression. tan(5pi/12) sin(23/12) cos(13pi/12)

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amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0it wants you to seperate the "radian" given into known radians that you can play with

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0like pi/3 pi/4 pi/6 pi/ 2pi those things

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.03 and 2 = 5..... lets try that on the first one

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0a=3pi/12 b=2pi/12 a = pi/4 b = pi/6

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0still remember the addition stuff for tangent?? =D

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0tana + tanb  ;) 1  tanatanb

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0but we is subtracting here.... or adding if you wanna get too technicalized about it

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0lets add....i wanna add :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0tan(pi/4) + tan(pi/6)  1  tan(pi/4) tan(pi/6)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0where did u get all of these numbers from

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.01 + sqrt(3)/3  1  (1)(sqrt(3)/3)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.05pi 3pi 2pi  =  +  right? 12 12 12

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0goos, the reduce those 2 new radians to something we can use: something familiar.. pi/4 and pi/6

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0tan(pi/4) = 1 its a 45 degree line with a negative slope tan(pi/6) = 30degrees = 1/sqrt(3) = sqrt(3)/3

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.01 + sqrt(3)/3  1  (1)(sqrt(3)/3)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.01  sqrt(3)/3 3  sqrt(3)  =  we can rationalize the 1  sqrt(3)/3 3  sqrt(3) denominator maybe :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.03  sqrt(3) (3+sqrt(3)) 12 6sqrt(3)   =  3  sqrt(3) (3+sqrt(3)) 6 reducing we get: 2 sqrt(3) if I did it right in me head

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0yes im right? or yes if we agree theyll shut up? :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0lol .... i got enough voices in me head that we aint gonna shut up regardless lol

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sin(23/12) is this missing a pi?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok so, the answer for the first one is 2sqrt3

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0no its: (2)  (sqrt(3))

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Yes, it is. It is sin(23pi/12)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.023 is almost 24; so were looking at 2pi  pi/12 at that one. but pi/12 aint in our "easy" angles so we gotta look harder for an answer

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0why r u rounding up to 24?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0just looking at where the angle ends up; its tucked under the 2pi. 23pi/12 = 20pi/12 + 3pi/12

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.020pi/12 = 5pi/3 3pi/12 = pi/4

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0these are angles we know about, so we can use these

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sin(23pi/12) = sin(5pi/3 + pi/4) sin(a+b) = sin(a)cos(b)+sin(b)cos(a)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sin(5pi/3) = sqrt(3)/2 cos(5pi/3) = 1/2 sin(pi/4) = cos(pi/4) = 1/sqrt(2)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0is the answer [sqrt31]/ [2sqrt2]

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sin(a+b) = (sqrt(2)/2) (1/sqrt(2)) +(1/sqrt(2))(1/2)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.02/4 + sqrt(2)/4 = sqrt(2)2  4

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0ack!!...i typoed that up didnt I

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0(sqrt(3)/2) (1/sqrt(2)) +(1/sqrt(2))(1/2) sqrt(6)/4 + sqrt(2)/4 = sqrt(2)  sqrt(6)  4

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0that should be correct :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0im going for coffee......like a bad little mormon :)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0have we done the third one?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0theres a third one? and the watering hole is getting refilled .....

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0you* sorry for taking the credit :P

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0your like my conscinece....that is if I had a consicence lol

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0pi/12 = 15 degrees. I knew it!!

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0this is 225  30 degrees.... or 5pi/4  pi/6

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0cos(ab)  cos(a)cos(b) + sin(a)sin(b)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sin and cos 5pi/4 = 1/sqrt(2) (a) sin 30 = 1/2 cos30 = sqrt(3)/2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0How the hell do you know all of this?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0(1/sqrt(2)) (sqrt3)/2) + (1/sqrt(2)) (1/2) sqrt(6)/4 + sqrt(2)/4 = sqrt(6) sqrt(2)  4

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0can u help me with more? PLEASEEEEEEE:)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0how am i supoosed to increase my fan numbers if I only help one person?......lol, like that matters HAH!!; yeah, I can help with what I can;)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0its all about the benjamins baybay lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Use an addition or subtraction formula to find the exact value of the expression. Tan(15degrees)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sin juice is sitting on the table again; brb....

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0the tan(15) degrees = tan(pi/12) = tan(23pi/12)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0lets go with 45  30; cause 15 = pi/12

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. cos (17pi/21) cos (pi/7)  sin (17pi/21) sin (pi/7) This is gibberish to me :'(

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0im gonna guess that the tan(15) = sqrt(3)/6 but let me verify that with my sources ;)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0you're your own source lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0it's wrong, my hw program says it's wrong

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0I aint verified it yet....hold on lol

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0tan(45) = 1 ; tan(30) = 1/sqrt(3) tan(4530) = tan(45)  tan(30)  1 + tan(45)tan(30) 1  sqrt(3)/3 (1sqrt(3)/3)   1 + sqrt(3)/3 (1sqrt(3)/3)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.01 2sqrt(3)/3 + 3/9  1  3/9

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.09 6sqrt(3) + 3  9  93  9

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.09 6sqrt(3) + 3 12 6sqrt(3)  =  = 2 sqrt(3) 93 6 but thats (15) degrees, we need to negate it 1(2 sqrt(3)) = sqrt(3)  2

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0i read it in the stars lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. cos (17pi/21) cos (pi/7)  sin (17pi/21) sin (pi/7) This is gibberish to me :'(

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0cos(a+b) = cos(a)cos(b)  sin(a)sin(b) they give you "a" and "b" so.... cos(17pi/21 + pi/7) cos(17pi/21 3pi/21) = cos(14pi/21) = cos(2pi/3) or cos(120) degrees

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how do you get cos120 = 1/2

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0how? cause 120 degree is in Q2 were cos is negative. so just take the reference angle of cos(60) and negate it. cos(60) = 1/2; cos(120) = 1/2

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0weird als got a paradoy called "its all about the pentiums baby"! its hilarious

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0haha... lol. Is he still around?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0This is hilarious http://www.youtube.com/watch?v=3uJ4uxEWFQ

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0the hit i put out on him hasnt been paid yet, so yeah :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0libraries conputers to old....says it needs a java update but wont take it :/

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ah... what school or college do u go to?

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0phcc down here in florida

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i'm at umd college park

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0annapolis is your capital lol

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0u should be at MIT or CALTECH lol

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0it took me 39 years to memorize the states and their capitals :) now its just useless junk rattling around...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0my parents have been telling me that since i was born lol this stuff will get you somewhere not remembering capitals

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0but back to the problem...

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0which problem we got now?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. cos (17pi/21) cos (pi/7)  sin (17pi/21) sin (pi/7) This is gibberish to me :'(

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0dint we just finish that one?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0sorry we u did that one already

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Simplify the trigonometric expression. cos(x)/sec(x) + sin(x)/csc(x)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0its like im stuck in a time warp that leads thru the twilight zone .....

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0is that a left term + a right term? or is that right side all under the fraction bar? use them () to seperate things up

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0it is a left arm and a right arm

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\cos [x]\div \sec [x] +\sin [x]\div \csc [x]\] If this helps

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sec = 1/cos csc = 1/sin 1+1 = 2

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. tan(pi/3) + tan(5pi/6) / 1 tan(pi/3) tan(5pi/6)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0thats the expanded version of tan(a+b) a = pi/3 b = 5pi/6

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0pi/3 + 5pi/6 = 2pi +... = 7pi/6 = pi + pi/6

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0tan(7pi/6) = tan(pi/6) = tan(30) = 1/sqrt(3) = sqrt(3)/3

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.01) Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. cos(10) cos(80)  sin(10) sin(80) 2) Use an addition or subtraction formula to find the exact value of the expression. sin(15)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.01 is a cos(a+b) cos(10+80) = cos(90) = 0 2) sin(pi/12)..dint we do that one earlier?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Use an addition or subtraction formula to find the exact value of the expression. sin(15)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0we did the cos(13/12pi)...which is pretty much what we want with a sign adjustment

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sqrt(6)+sqrt(2) cos(pi/12) =  4 cos^2 + sin^2 = 1 sqrt(6)+sqrt(2) 8+4sqrt(3)  =  4 16 8+4sqrt(3) 1   = sin^2(15) 16

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.08 4sqrt(3)  = sin^2(15) 16

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.04 (2 sqrt(3)) sqrt  = sin(15) 16

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sqrt(2sqrt(3))  = sin(15) maybe? 2

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0\[\sqrt{2  \sqrt{3}}/2\]

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0how you get a bar for a fraction in this thing?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0u can't i tried doing it to

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0if anything; sin(4530) = sin(15) sin(4530) = sin(1/sqrt(2))cos(1/sqrt(3))sin(1/2)cos(1/sqrt(2))

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0lol....right concept wrong format lol take out those sin cos stuff, its left over from my inner most deepest thoughts :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0(1/sqrt(2)) (1/sqrt(3))  (1/2) (1/sqrt(2)) 1/sqrt(6)  1/2sqrt(2)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0sqrt(6)/6  sqrt(2)/4 2sqrt(6)/12  3sqrt(2)/12 2sqrt(6)  3sqrt(2)  ??? 12

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0not it... i see where I messed it up lol

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0(1/sqrt(2)) (sqrt(3)/2)  (1/2) (1/sqrt(2)) sqrt(6)/4  sqrt(2)/4 sqrt(6)  sqrt(2)  should be it 4

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Simplify the trigonometric expression. csc(x)  sin(x) / cot(x) Write the trigonometric expression in terms of sine and cosine, and then simplify. sin(t)sec(t)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0U know I'm actually learning from u :)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0clean that up for me....

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0csc(x)  sin(x) / cot(x) is not very clear...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Simplify the trigonometric expression. csc(x)  sin(x) over or divided by cot(x)

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.0csc(x)  sin(x)  ??? cot(x)
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