| Exam Board | CAIE |
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| Module | P2 (Pure Mathematics 2) |
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| Year | 2023 |
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| Session | November |
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| Topic | Addition & Double Angle Formulae |
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2 Solve the equation \(\sec \theta \cos \left( \theta - 60 ^ { \circ } \right) = 4\) for \(- 180 ^ { \circ } < \theta < 180 ^ { \circ }\).