Railways PYQCBT 1 2016

RRB NTPC · Question 14

Find the value of tan(210°). A. 1/√3 B. -1/√3 C. -1 D. 1

  1. D

  2. A

  3. C

  4. B

Show answer & explanation

Answer: (B) A

Explanation

210° = 180° + 30°, in the third quadrant where tan is positive. tan 210° = tan 30° = 1/√3.