Asked by S

Prove:

sin2x*sinx/2cosx + cos^2 0 = 1

Answers

Answered by Reiny
I corrected your typo
sin(2x)*sinx/2cosx + cos^2 x = 1

LS = 2sinxcosx(sinx)/(2cosx) + cos^2x
= sinx(sinx) + cos^2 x
= sin^2 x + cos^2 x
= 1
= RS
Answered by Anonymous
Thank you! :)
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