3 marksProving Simple Trigonometric Identities

CSEC Additional Mathematics · 2016 · Paper 2 · Question 4(c)

Prove that the identity sin(θ + α) / (cos θ cos α) = tan θ + tan α.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

4(a)Calculate the area of the shaded region in terms of x.[4 marks]
4(b)Without the use of a calculator, evaluate cos 105°, in surd form, giving your answer in the simplest terms.[5 marks]

More practice: the rest of this paper · more Proving Simple Trigonometric Identities questions · all CSEC Additional Mathematics past papers