Question

sinA/1+cosA=cosecA-cotA​

Answer 1

sin A/1+cosA=cosec A-cotA

LHS=sinA/(1+cosA)

multiply and divide by 1-cosA

sinA-sinAcosA/(1-cos squareA)

sinA-sinAcosA/sin squareA

sinA/sin squareA - sinAcosA/sin square A

1/sinA-cosA/sinA

cosecA-cotA

LHS = RHS

Hence proved

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Answer 2

I Hope it helps you:)