| Exam Board | OCR |
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| Module | H240/02 (Pure Mathematics and Statistics) |
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| Year | 2018 |
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| Session | June |
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| Topic | Addition & Double Angle Formulae |
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4 Prove that \(\sin ^ { 2 } ( \theta + 45 ) ^ { \circ } - \cos ^ { 2 } ( \theta + 45 ) ^ { \circ } \equiv \sin 2 \theta ^ { \circ }\).