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Determine the coordinates of this stationary point, with both coordinates correct to 3 significant figures.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
The graph given by $y = 5x - 2\tan(2x)$ has one and only one stationary point for $0 \leq x \leq \frac{\pi}{4}$.
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This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Differentiate to find the first derivative of $k_1+k_2\sec^2(2x)$.” …
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