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4 marksSolving Simple Trigonometric Equations

CSEC Additional Mathematics · 2015 · Paper 2 · Question 4(b)

Solve the equation 8 sin^2 θ = 5 - 10 cos θ, where 0° ≤ θ ≤ 360°, giving your answer correct to one decimal place.

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Other parts of this question

  1. 4(a)Calculate the area of the shaded region.[4 marks]
  2. 4(c)Prove the identity (sin θ + sin 2θ) / (1 + cos θ + cos 2θ) = tan θ.[4 marks]

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