Math, asked by rythemsingh978088, 8 months ago

CosecA - cotA= sinA/1+cosA

Answers

Answered by GJV69

1

Answer:

LHS = 1/sinA - cosA/sinA

= (1-cosA)/sinA

multiplying numerator and denominator by (1+cosA)

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

= (1-cos^2A)/sinA(1+cosA)

= sin^2A/sinA(1+cosA)

= sinA/1+cosA

LHS = RHS

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