Question 2 - A-Level Maths

Exam Board	CAIE
Module	P3 (Pure Mathematics 3)
Year	2022
Session	June
Topic	Addition & Double Angle Formulae

2 Solve the equation \(3 \cos 2 \theta = 3 \cos \theta + 2\), for \(0 ^ { \circ } \leqslant \theta \leqslant 360 ^ { \circ }\).