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anonymous
 4 years ago
Solve 4sin(2y  0.3) + 5cos(27  0.3) = 0, for 0(lesserthanorequalto) y (lesserthanorequalto) "pi" radians.
anonymous
 4 years ago
Solve 4sin(2y  0.3) + 5cos(27  0.3) = 0, for 0(lesserthanorequalto) y (lesserthanorequalto) "pi" radians.

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Tanvi is that 5cos(270.3)

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sorry, 2y  0.3, not 27 _

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0hhmm  i dont recall solving one like this before  i'll have to check my list of trig identities  wait a few minutes

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sure, suree, take your time. even if we replace (2y  0.3) by a, then we would get 4sin(a) + 5cos(a) = 0. oh damn, i got it!!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i don't know what that means, but it'll become tan (a) = 5/4, and then i'll solve it.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes  thats an easier way  do you really need anyone to help you tanvidals??!! lol well done

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes, can you give me another value for a??? apart from 0.09 rad?? it needs to be positive.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0tan 5/4  the possible values are between o and 2pi radians are in the second and 4th quadrant so we get pi  0.9 and 2pi  0.9

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i need between 0 and pi.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes so a = 2.24 , 5.38 so 2y  0.3 = 2.24 y = 2.54 / 2 = 1.27 rad a=5.38 will be too big one value for y = 1.27 rad

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i needed to go higher than pi for value of a because y must have value 0 to pi

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yw  but i think ill have another coffee to stimulate my brain a bit!

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh  plz click on good answer to close the question if you are happy with the answer

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i've just checked the answer on wolfram alpha  it gives it as 1.2727

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0http://www.wolframalpha.com/input/?i=Solve+4sin%282y++0.3%29+%2B+5cos%282y++0.3%29+%3D+0

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0thats a good site for verification

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0run your cursor over the root plot  the red spot on positive xaxis  i gives you this value
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