The point P P\,P lies on the curve with equation y=sec2xy = \sec 2xy=sec2x with x x\,x coordinate π6\displaystyle \frac{\pi}{6}6π
Find an equation to the normal to the curve at the point PPP.
109 exam-style questions on CCEA A Level Maths 3.5.2 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.