OCR C2 2006 June — Question 5

Exam BoardOCR
ModuleC2 (Core Mathematics 2)
Year2006
SessionJune
TopicTrig Equations
5 Solve each of the following equations, for \(0 ^ { \circ } \leqslant x \leqslant 180 ^ { \circ }\).
  1. \(2 \sin ^ { 2 } x = 1 + \cos x\).
  2. \(\sin 2 x = - \cos 2 x\).
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