The point P P\,P lies on the curve with equation y=cscx+cos2xy = \csc x + \cos 2xy=cscx+cos2x with x x\,x coordinate π4\displaystyle \frac{\pi}{4}4π
Find an equation to the tangent to the curve at the point PPP.
717 exam-style questions on Edexcel A Level Maths Differentiation, covering 9.1 Differentiating sin x and cos x, 9.2 Differentiating exponentials and logarithms, 9.3 The Chain Rule, 9.4 The Product Rule, 9.5 The Quotient Rule, 9.6 Differentiating Trigonometric Functions, 9.7 Parametric Differentiation, 9.8 Implicit Differentiation, 9.9 Using Second Derivatives, and 9.10 Rates of Change. Each one has a worked solution and a mark scheme showing where the marks go.