| Exam Board | OCR MEI |
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| Module | C2 (Core Mathematics 2) |
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| Marks | 4 |
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| Topic | Trig Equations |
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10
- Show that the equation \(2 \cos ^ { 2 } \theta + 7 \sin \theta = 5\) may be written in the form
$$2 \sin ^ { 2 } \theta - 7 \sin \theta + 3 = 0$$
- By factorising this quadratic equation, solve the equation for values of \(\theta\) between \(0 ^ { \circ }\) and \(180 ^ { \circ }\). [4]