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WAEC Further Mathematics 2008 Question 13

Question 13

Trigonometry

Express 7π/6 radians in degrees.

  1. A.315°
  2. B.210°
  3. C.105°
  4. D.75°
Show the answer and explanation

Answer: B (210°)

Explanation

π radians = 180°, so 7π/6 = 7 × 180°/6 = 210°.