Math, asked by p5rinathiyanishu, 1 year ago

Sin 3x cos x - cos 3x sin x = sin 2x

Answers

Answered by viditb30

1

Sin 3x cos x - cos 3x sin x = sin 2x
Sin 3x cos x - cos 3x sin x = sin(3x-x)
=sin2x [As sin(x-y)=sinxcosy-cosxsiny]

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