| Exam Board | OCR |
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| Module | C4 (Core Mathematics 4) |
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| Year | 2013 |
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| Session | June |
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| Topic | Differentiating Transcendental Functions |
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4 The equation of a curve is \(y = \cos 2 x + 2 \sin x\). Find \(\frac { \mathrm { d } y } { \mathrm {~d} x }\) and hence find the coordinates of the stationary points on the curve for \(0 < x < \pi\).