JEE Mathematics · Easy

Trigonometry: Basic Identity MCQ

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

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Basic IdentityEasyQuestion 200001

Question

The value of sin²30° + cos²30° is:
  1. A
    0
  2. B
    1
    Correct
  3. C
    1/2
  4. D
    √3/2

Correct answer

1

Explanation

By the fundamental Pythagorean identity, sin²θ + cos²θ = 1 for every angle θ.