3 marksProving Simple Trigonometric Identities

CSEC Additional Mathematics · 2017 · Paper 2 · Question 4(c)

Prove the identity 1 - cos²θ / (1 + sinθ) = sinθ.

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Other parts of this question

4(a)(i)If the building space is 50π/3 m², calculate the angle ACB in radians.[1 mark]
4(a)(ii)Working in radians, calculate the area used for farming.[4 marks]
4(b)Show without using a calculator that cos(π/4 - π/3) / sin(2π/3) = (√2 + √6) / (2√3).[4 marks]

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