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Find sin(2x) given that sin x=8/17 and x is in quadrant I.
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1 vote
Find sin(2x) given that sin x=8/17 and x is in quadrant I.

User Arran Ubels
by
7.7k points

1 Answer

3 votes

Explanation:


\sin(2x) = 2 \sin(x) \cos(x)


\sin(2x) = 2( (8)/(17))( (15)/(17) )


\sin(2x) = (240)/(289)

User Billjoie
by
7.6k points
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