Question

(cosec-cot)2=1-cos/1+cos
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Answer 1

your answer is in below..ALL THE BEST..

Answer 2

Answer:

(cosec -cot)^2=1-cos/1+cos

Lhs=(1/sin-cos/sin)^2

=(1-cos/sin) ^2

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

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

=(1-cos) (1+cos) /(1+cos) (1+cos)

=(1-cos) /(1+cos)