Question

SinΦ/(1-cosΦ)=cosec Φ+cot Φ

Answer 1

Answer:

rhs,

cosec theta + cot theta

1/ sin + cos / sin

take LCM

1 + cos/ sin

by rationalising the denominator,

sin + sin* cos / sin^2

sin(1+ cos) /1- cos^2

sin(1+cos) /(1+ cos) (1- cos)

sin theta / 1- cos theta

LHS=RHS

HENCE PROVED

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