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Railways PYQCBT 1 2016

RRB NTPC · Question 40

If angles M and N measures 60° and 30° respectively, (sin M) × (cot N) = ? A. 1/2 B. √3/2 C. 3/2 D. 0

  1. D

  2. B

  3. A

  4. C

Show answer & explanation

Answer: (D) C

Explanation

sin 60° = √3/2 and cot 30° = √3. Their product = (√3/2) × √3 = 3/2.