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Railways PYQCBT 1 2016

RRB NTPC · Question 37

The value of cos 0° is A. 0 B. Infinite C. not defined D. 1

  1. B

  2. A

  3. D

  4. C

Show answer & explanation

Answer: (C) D

Explanation

cos 0° = 1. (sin 0° = 0 and tan 0° = 0; cos 90° = 0.)