Math, asked by maxtern78, 8 months ago

..
31 Prove the following:
(i) (sin A + cos A)2 + (sin A - cos A)2 = 2

Answers

Answered by 9RUTVIK9

3

Step-by-step explanation:

(i) (sin A + cos A)2 + (sin A - cos A)2 = 2

2sin A + 2cos A +2sin A - 2cos A = 2

4sinA=2

sinA=2/4

A=30

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