Math, asked by abhisarvarshney14120, 7 months ago

1-cos∅/1+cos∅=(cosec∅-cot∅)²

Answers

Answered by PixleyPanda

1

Answer:

Step-by-step explanation:

(cotθ-cosecθ)²

=cot²θ-2cotθcosecθ+cosec²θ

=cos²θ/sin²θ-2(cosθ/sinθ)

(1/sinθ)+1/sin²θ

=cos²θ/sin²θ-2cosθ/sin²θ+1/sin²θ

=(cos²θ-2cosθ+1)/sin²θ

=(1-cosθ)²/(1-cos²θ)

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