Math, asked by Leo444, 1 year ago

1/1+cosA + 1/1-cosA=2cosec^2A

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Answered by rrrrrrr3

5

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Answered by purvisri02

2

1/1+cosA + 1/1-cosA
(1-cosA+1+cosA) / 1-cos^2A
2/sin^2A
2cosec^2A

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