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JAMB Mathematics 2017 Question 13

Question 13

Trigonometry

The shadow of a pole 5√3 cm high is 5.5cm. Find the angle of elevation of the sum.

  1. A.50°
  2. B.45°
  3. C.60°
  4. D.75°
Show the answer and explanation

Answer: C (60°)

Explanation

tan θ = height ÷ shadow = 5√3/5 = √3, so the angle of elevation of the sun is 60°.