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.
51 exam-style questions on Edexcel A Level Maths 9.3 The Chain Rule. Each one has a worked solution and a mark scheme showing where the marks go.