Question 6 - A-Level Maths

Exam Board	WJEC
Module	Further Unit 4 (Further Unit 4)
Year	2022
Session	June
Topic	Addition & Double Angle Formulae

6. Solve the equation $$\cos 2 \theta - \cos 4 \theta = \sin 3 \theta \quad \text { for } \quad 0 \leqslant \theta \leqslant \pi$$