Math, asked by Shraiyansh007, 1 year ago

Prove : cosec^2 72- tan^2 18= 1

Answers

Answered by Anonymous

6

Dear student..

cosec2(90-18)- tan 2 (90-72)
2 sec18- tan18
by using the identity,
1 ans
Hope this helps! Cheers!!

Shraiyansh007: Thx

Anonymous: Most welcome :)

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