SOLUTION: Given that x is an acute angle such that COSx=3/5 . Find SIN3x .

SOLUTION: Given that x is an acute angle such that COSx=3/5 . Find SIN3x .

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Question 519428: Given that x is an acute angle such that COSx=3/5 .
Find SIN3x .
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Given that x is an acute angle such that COSx=3/5 .
Find SIN3x
**
cosx=3/5
x=arccos(3/5)=53.13�
3x=159.39
sin 3x=sin 159.39�=0.35
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