Mathematics 9709 · AS & A Level · Differentiation

Differentiation — practice question

The curve is defined by $y = 2\tan x - 5\sin x$ for $0 \leq x < \frac{1}{2}\pi$.

(main)[3]

Determine the $x$-coordinate of the stationary point on the curve. Give your answer to 3 significant figures.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Differentiate to give $2\sec^2 x - 5\cos x$” …