(main)[6]
Find the equation of the tangent to the curve at the point where $x = \frac{1}{4}\pi$, and give your answer in the form $y = mx + c$ with $c$ correct to $3$ significant figures.
Mathematics 9709 · AS & A Level · Differentiation
Differentiation — practice question
The equation of the curve is $y = \frac{2 - \tan x}{1 + \tan x}$.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Differentiate first using the correct quotient rule, or an equivalent approach” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI