| Exam Board | CAIE |
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| Module | P3 (Pure Mathematics 3) |
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| Year | 2022 |
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| Session | June |
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| Topic | Product & Quotient Rules |
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4 The equation of a curve is \(y = \cos ^ { 3 } x \sqrt { \sin x }\). It is given that the curve has one stationary point in the interval \(0 < x < \frac { 1 } { 2 } \pi\).
Find the \(x\)-coordinate of this stationary point, giving your answer correct to 3 significant figures.