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Rajan@2021
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Asked: 2021-04-10T00:06:49+05:30 In:

Prove that: (sinθ-cosθ)/(sinθ+cosθ) + (sinθ+cosθ)/(sinθ-cosθ) = 2/(sin²θ-1)

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This question is from trigonometry topic – trigonometric identities in which we have been asked to prove that (sinθ-cosθ)/(sinθ+cosθ) + (sinθ+cosθ)/(sinθ-cosθ) = 2/(sin²θ-1)

RS Aggarwal, Class 10, chapter 13A, question no 23(i)

class 10 cbsers aggarwaltrigonometric identities
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    1. Guru
      Prove that: (sinθ-cosθ)/(sinθ+cosθ) + (sinθ+cosθ)/(sinθ-cosθ) = 2/(sin²θ-1)

      Hope it helps you.

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