| Exam Board | OCR MEI |
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| Module | C2 (Core Mathematics 2) |
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| Topic | Trig Equations |
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1
- Starting with an equilateral triangle, prove that \(\cos 30 ^ { \circ } = \frac { \sqrt { 3 } } { 2 }\).
- Solve the equation \(2 \sin \theta = - 1\) for \(0 \leqslant \theta \leqslant 2 \pi\), giving your answers in terms of \(\pi\).