Express sin θ in terms of cot θ, where θ is an acute angle.

Previouly Asked

RRB Group D Exam 17 August 2022 Shift 1

  1. 1 / √(1 + cot² θ)
  2. √(1 + cot² θ)
  3. 1 / (1 + cot² θ)
  4. 1 + cot² θ


Solution

Answer - 1 / √(1 + cot² θ)

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