cinmin
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Questions Answered

cinmin:
the average value of f(x)= sin x on the interval [2,4] is...
 updated one year ago
 8 replies
 No Medals Yet
Mathematics

cinmin:
what is f ' (x) for f(x) x^5+x+1/x^2
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

cinmin:
how do i find the how do i find the angles for 19pi/32
51pi/32
pi+3pi/32
 updated one year ago
 10 replies
 1 Medal
Mathematics

cinmin:
a skyscraper casts a shadow 200 feet long if the angle of elevation of is 42 degrees, then the height of the skyscraper is ?
 updated one year ago
 4 replies
 2 Medals
Mathematics

cinmin:
y = 5sin(pi*t) where y is measured in inches and t in seconds. find the amplitude, period, and frequency
 updated one year ago
 9 replies
 1 Medal
Mathematics

cinmin:
Find the exact value of sin(cos^1(3/7))
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

cinmin:
let f(x)= tan^(1)x then the domain f(x) is all real numbers and the range is [0,pi], is this true or false?
 updated one year ago
 14 replies
 1 Medal
Mathematics

cinmin:
Let f(x) = cos^1 x. Then the domain of f(x) is all real numbers and the range is [1,1]. Is this true or false?
 updated one year ago
 4 replies
 1 Medal
Mathematics

cinmin:
what is the name of the shape graphed by the function theta= 5pi/3
(a) Limacon with inner loop
(b) spiral
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

cinmin:
how many solutions does a triangle with values a = 22 a = 117 and b = 34 have
 updated one year ago
 5 replies
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Mathematics

cinmin:
vector v= (7,8)
use the magnitude and the angle of vector v to write it in the form (v cos(theta), v sin (theta) )
 updated one year ago
 7 replies
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Mathematics

cinmin:
let v1=(2,6) and v2= (4,7)
(a) compute v1 and v2
 updated one year ago
 16 replies
 1 Medal
Mathematics

cinmin:
how do I plot (3, pi/3) on a polar graph and how do I write the coordinates of this point using positive values for the radius.
 updated one year ago
 5 replies
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Mathematics

cinmin:
Suppose an isosceles triangle ABC has A = PI/4 and b = c = 4. What is the length of a^2?
a) 4^(2)(2SQR2))
b) 4^(2)(SQR2)
…
 updated one year ago
 3 replies
 2 Medals
Mathematics

cinmin:
find all of the fourth roots of 81(cos(3pi/8) + i sin (3pi/8) express your answer in polar (r(cos theta+ i sin theta)) form
 updated one year ago
 40 replies
 3 Medals
Mathematics

cinmin:
an objects motion is describe by the equation d=3sin(8pi t)2. the displacement d is measured in meter. the time t is measured in seconds.
…
 updated one year ago
 4 replies
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Mathematics

cinmin:
convert the complex number 3  3i into its polar representation
 updated one year ago
 11 replies
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Mathematics

cinmin:
sin (tan^1 (4/3))
Draw a triangle with an angle whose tangent is 4/2.
 updated one year ago
 2 replies
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Mathematics

cinmin:
what is the projection of (2,6) onto (1,5)
a) 0.70 (2,6)
b) 0.70(1,5)
…
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

cinmin:
which of the following are NOT trigonometric identities, Check all that apply
a.) sec^(2) x  tan^(2) x=1
b) sec^(2) x+csc^(2) x=1
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

cinmin:
.true or false.
If the movement of a mass on a spring may be modeled with simple harmonic motion, then its frequency decreases with time
 updated one year ago
 3 replies
 1 Medal
Mathematics

cinmin:
let z1= 2 ( cos(pi/5) )+ i sin (pi/5) ) and z2= 8 (cos (7pi/8) + i sin (7pi/6) )
calculate :z1/z2
 updated one year ago
 15 replies
 2 Medals
Mathematics

cinmin:
Sketch the graph of the function:
y=3tan(1/2x)
 updated one year ago
 1 reply
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Mathematics

cinmin:
Write the equation of the transformed graph of sine with period PI that has been shifted horizontally to the right 3 units, has an amplitude…
 updated one year ago
 8 replies
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Mathematics

cinmin:
Graph two periods of the function y=sinx . Be sure to identify (with a dot that is larger than the line of the graph) five critical points …
 updated one year ago
 6 replies
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Mathematics

cinmin:
Write the particular equation of this transformed cosine graph.
 updated one year ago
 2 replies
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Mathematics

cinmin:
What is the sum of the two vectors (1,4) and (3,5)?
A. (0,1)
B. (5,8)
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

cinmin:
Rewrite the squareroot expression as an imaginary number: sqrt of 64
is it 8i?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

cinmin:
Convert the following complex number into its polar representation: 4
A. 4 (cos0 + isin0)
…
 updated one year ago
 19 replies
 1 Medal
Mathematics

cinmin:
which rectangular equation is equivalent to the polar equation r csc theta=8
A. y=8
…
 updated one year ago
 17 replies
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Mathematics
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