Math, asked by majumder1460, 1 month ago

(cosA+sinA)^2 +(cosA-sinA)^2

Answers

Answered by mysterreverything
0

Answer:

The answer is 2.

As it can be written in (a+b)^2 + (a-b)^2 = 2(a^2 + b^2) = 2(sin^2A + cos^2A) = 2.

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