## Prove that: (secθ+tanθ)/(secθ-tanθ) = (secθ+tanθ)² = 1+2tan²θ+2secθtanθ

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This question is from trigonometry topic – trigonometric identities in which we have been asked to prove that (secθ+tanθ)/(secθ-tanθ) = (secθ+tanθ)² = 1+2tan²θ+2secθtanθ RS Aggarwal, Class 10, chapter 13A, question no 26(ii).

## Prove that: (cosecθ + cotθ)/(cosecθ – cotθ) = (cosecθ + cotθ)² = 1 + 2cot²θ + 2cosecθcotθ

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This question is from trigonometry topic – trigonometric identities in which we have been asked to prove that (cosecθ + cotθ)/(cosecθ – cotθ) = (cosecθ + cotθ)² = 1 + 2cot²θ + 2cosecθcotθ RS Aggarwal, Class 10, chapter 13A, question no ...

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

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This question is from trigonometry topic – trigonometric identities in which we have to prove that (1+cosθ-sin²θ)/sinθ(1+cosθ) = cotθ RS Aggarwal, Class10, chapter 13A,  question no 25(i)

## Prove that: (sinθ+cosθ)/(sinθ-cosθ) + (sinθ-cosθ)/(sinθ+cosθ) = 2/(1-2cos²θ)

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This question is from trigonometry topic – trigonometric identities in which we have to prove that (sinθ+cosθ)/(sinθ-cosθ) + (sinθ-cosθ)/(sinθ+cosθ) = 2/(1-2cos²θ) RS Aggarwal, Class 10, chapter 13A, question no 24(ii).

## 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)

## Proge that: sinθ/(cotθ+cosecθ) – sinθ/(cotθ-cosecθ) = 2

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This is the basic and conceptual question from trigonometry Topic – trigonometric identities We have to prove that sinθ/(cotθ+cosecθ) – sinθ/(cotθ-cosecθ) = 2 RS Aggarwal, Class 10, chapter 13A,  question no 23.

## Prove that: (cos³θ+sin³θ)/(cosθ+sinθ) + (cos³θ-sin³θ)/(cosθ-sinθ) = 2

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This question is from trigonometry topic –  trigonometric identities in which we have to prove that (cos³θ+sin³θ)/(cosθ+sinθ) + (cos³θ-sin³θ)/(cosθ-sinθ) = 2 RS Aggarwal, Class 10, Chapter 13A,  question no 22

## Prove that: √(1+cosθ)/(1-cosθ) + √(1-cosθ)/(1+cosθ) = 2cosecθ

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This question is from trigonometry topic  – trigonometric identities in which we have to prove that √(1+cosθ)/(1-cosθ) + √(1-cosθ)/(1+cosθ) = 2cosecθ RS Aggarwal, Class 10, chapter 13A,  question no 21(iii)

## Prove that: √(1-cosθ)/(1+cosθ) = cosecθ-cotθ

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This question is from trigonometry topic – trigonometric identities in which we have to show that √(1-cosθ)/(1+cosθ) = cosecθ-cotθ RS Aggarwal, Class 10, chapter 13A, question no 21(ii)

## Prove that: √(1+sinθ)/(1-sinθ) = secθ+tanθ

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This question is from trigonometry topic – trigonometric identities in which we have to prove that √(1+sinθ)/(1-sinθ) = secθ+tanθ RS Aggarwal, Class 10, chapter 13A,  question no 21(i)