Math, asked by laibaansar2121, 1 year ago

SecA/secA-1+secA/secA+1=2cosec^A

Answers

Answered by MANKOTIA

4

this is the required answer

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Answered by Balamurugank2002

2

Sec^A+SecA+Sec^2A-SecA/Sec^2A-1
=2Sec^2A/Sec^2A-1
=2×1/Cos^2A/Sin^2A/Cos^2A
=2×1/Sin^2A
=2Cosec^2A

Hence Proved..

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