Math, asked by bhai97, 1 year ago

prove that 2sinA.cosB=sin(A+B)+sin(A-B)

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Answered by Anonymous

11

sin(A+B)+sin(A-B)
sinAcosB+cosAsinB+sinAcosB-cosAsinB
=2sinAcosB

Answered by shashi44

9

here is your ans.... plz like it...

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