Math, asked by Navu990, 1 year ago

prove 1+cosA/1-cosA=(cosecA+cotA)sqare

Answers

Answered by mrOogway
1
We have,

LHS= 1+cosA/1-cosA

= (1+cosA)(1+cosA)/(1-cosA)(1+cosA)

= (1+cosA)²/1-cos²A

= (1+cosA)²/sin²A

= (1+cosA/sinA)²

= (1/sinA + cosA/sinA)²

= (cosecA + cotA)²

= RHS
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