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how is 1/(cosec^2-sec^2) = sin^2/(1-sin^4)

how is 1/(cosec^2-sec^2) = sin^2/(1-sin^4)

Grade:12

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
its not
put theta =30
left part is 3/8
right part is 4/15

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