SOLUTION: Given that sinx = 3/5 and cosy = 7/25, with x and y both being Quadrant I angles, find sin2y.

Question 1138864: Given that sinx = 3/5 and cosy = 7/25, with x and y both being Quadrant I angles, find sin2y.
Answer by ikleyn(52908) (Show Source): You can put this solution on YOUR website!
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In order for to solve this problem and to answer this question, you do not need the info related to sin(x) - it is IRRELEVANT.

sin(2y) = 2*sin(y)*cos(y)


    cos(y) =  =  =  = .


Therefore,


sin(2y) = 2*sin(y)*cos(y) =  = .    ANSWER

Solved and completed.

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