Question

Root 1 - cos theta/ 1 + cos theta = cosec theta + cot theta

Answer 1

√(1-cosθ/1+cosθ)
=√(1-cosθ)(1-cosθ)/(1+cosθ)(1-cosθ)
=√(1-cosθ)²/(1-cos²θ)
=1-cosθ/√sin²θ
=1-cosθ/sinθ
=1/sinθ-cosθ/sinθ
=cosecθ-cotθ 
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