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Sin2x=______ A.2sinxcosx B.1/2(cos(a-b)-cos(a+b)) C.1-2sin^2x D.2sinx+2cosx
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3 votes
Sin2x=______

A.2sinxcosx

B.1/2(cos(a-b)-cos(a+b))

C.1-2sin^2x

D.2sinx+2cosx

User Jene
by
5.3k points

2 Answers

6 votes

Answer:

2sinxcosx

Explanation:

A P E X

User Stewart Cunningham
by
6.3k points
6 votes

Answer:

A.2sinxcosx

Explanation:

We know the trig identity

Sin (2a) = 2 sin a cos a

sin (2x) = 2 sin x cos x

User Stephen Croft
by
6.3k points
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