Edexcel C3 2011 January — Question 3

Exam BoardEdexcel
ModuleC3 (Core Mathematics 3)
Year2011
SessionJanuary
TopicTrig Equations
  1. Find all the solutions of
$$2 \cos 2 \theta = 1 - 2 \sin \theta$$ in the interval \(0 \leqslant \theta < 360 ^ { \circ }\).
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