5 marksTrigonometric Functions, Identities and Equations

CAPE Pure Mathematics Unit 1 · May/June 2006 · Paper 1 · Question 8(a)

Solve the equation 4 cos^2 theta - 4 sin theta - 1 = 0 for 0 <= theta <= pi.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

8(b)Show that (1 - cos 2x)/(1 + cos 2x) = tan^2 x.[3 marks]

More practice: the rest of this paper · more Trigonometric Functions, Identities and Equations questions · all CAPE Pure Mathematics Unit 1 past papers