Question

prove that: 1/1-sinA+1/1+sinA=2sin²A

Answer 1

Answer:

1/1-sin A+ 1/1+sin A

1+sin A +1-sin A/1-sin ^2 A ( take LCM)

2/cos ^2 A ( sin A and - sin A gets cancelled and 1-sin square A is Cos square A)

2 sin ^2 A

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