Math, asked by Anonymous, 10 months ago

Plz tell me fast that how underroot 1 + sin x is replaced by ( cos x/2 + sin x/2).

Check the solution attached and doodled formula.

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Answered by jinadevkv

1

1 + sinx = 1 + sin(2*x/2) = 1 + 2sinx/2 cosx/2 = sin²x/2 + cos²x/2 + 2sinx/2cosx/2 = (sinx/2 + cosx/2)²

Answered by Anonymous

1

Answer:

please refer to attachment.

hope it helps you.

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