(i)[5]
Give the exact coordinates of this point.
(ii)[2]
Decide whether this point is a maximum point or a minimum point.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
For the curve $y = \dfrac{2 - \sin x}{\cos x}$, there is a single stationary point within $-\tfrac{1}{2}\pi < x < \tfrac{1}{2}\pi$.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply the product or quotient rule correctly, or rewrite as $2\sec x-\tan x$, then differentiate” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI