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Question 200022
JEE Mathematics · Easy

Trigonometry: Basic Equation MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Basic EquationEasyQuestion 200022

Question

The general solution of cos θ = 0 is:
  1. A
    θ = nπ
  2. B
    θ = (2n+1)π/2
    Correct
  3. C
    θ = 2nπ
  4. D
    θ = nπ + π/4

Correct answer

θ = (2n+1)π/2

Explanation

cos θ = 0 at 90°, 270°, ... i.e. θ = (2n+1)π/2.

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