Math, asked by bhanupratap17042006, 3 months ago

evaluate (sin A + cos A)² + (sin A- cos A)²​

Answers

Answered by dkchakrabarty01
3

Answer:

= sin^2 A + cos^2 A + 2sinA.cosA + sin^2A + cos^2A - 2sinA.cosA

=1 + 1 = 2 Ans

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