Edexcel AS Paper 1 Specimen — Question 9

Exam BoardEdexcel
ModuleAS Paper 1 (AS Paper 1)
SessionSpecimen
TopicTrig Equations
  1. Solve, for \(360 ^ { \circ } \leqslant x < 540 ^ { \circ }\),
$$12 \sin ^ { 2 } x + 7 \cos x - 13 = 0$$ Give your answers to one decimal place.
(Solutions based entirely on graphical or numerical methods are not acceptable.)
(5)
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