OCR MEI C2 — Question 1

Exam BoardOCR MEI
ModuleC2 (Core Mathematics 2)
TopicTrig Equations

1 Show that the equation \(\sin ^ { 2 } x = 3 \cos x - 2\) can be expressed as a quadratic equation in \(\cos x\) and hence solve the equation for values of \(x\) between 0 and \(2 \pi\).