Simplify: cosec2θ(cosθ11+cosecθ)tan2θ(cosecθ11+cosθ)cosec2θ(cosθ11+cosecθ)tan2θ(cosecθ11+cosθ)


Answer:

00

Step by Step Explanation:
  1. On adding two fractions:
    cosec2θ(cosθ11+cosecθ)tan2θ(cosecθ11+cosθ)=cosec2θ(cosθ1)(cosθ+1)tan2θ(cosecθ1)(cosecθ+1)(1+cosecθ)(1+cosθ)=cosec2θ(cos2θ1)tan2θ(cosec2θ1)(1+cosecθ)(1+cosθ)=cosec2θsin2θtan2θcot2θ(1+cosecθ)(1+cosθ)=11(1+cosecθ)(1+cosθ)=0

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