| Exam Board | AQA |
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| Module | AS Paper 2 (AS Paper 2) |
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| Year | 2018 |
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| Session | June |
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| Topic | Reciprocal Trig & Identities |
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9 It is given that \(\cos 15 ^ { \circ } = \frac { 1 } { 2 } \sqrt { 2 + \sqrt { 3 } }\) and \(\sin 15 ^ { \circ } = \frac { 1 } { 2 } \sqrt { 2 - \sqrt { 3 } }\)