Math, asked by rajputpradeep8135, 8 months ago

Evaluate (sin x- cos x)^2+(sin x+cos x)^2

Answers

Answered by rinkum4239

2

Answer:

2

Step-by-step explanation:

we have,,

(sinx-cosx)²+(sinx+cosx)²

= sin²x+cos²x-2sinxcosx+sin²x+cos²x+2sinxcosx

= 1-2sinxcosx+1+2sinxcosx

= 2 ....ans.

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