Edexcel C2 — Question 6

Exam BoardEdexcel
ModuleC2 (Core Mathematics 2)
TopicTrig Equations

6. Find, in degrees, the value of \(\theta\) in the interval \(0 \leq \theta < 360 ^ { \circ }\) for which $$2 \cos ^ { 2 } \theta - \cos \theta - 1 = \sin ^ { 2 } \theta$$ Give your answers to 1 decimal place where appropriate.
(8)