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9.3 The Chain Rule

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Question 28

A curve has the equation 2sin⁡x+2cos⁡y=32 \sin x + 2 \cos y = 32sinx+2cosy=3 where 0≤x≤π 0 \leq x \leq \pi\,0≤x≤π and 0≤y≤π0 \leq y \leq \pi0≤y≤π.

a.

Find an expression for dydx\displaystyle \frac{dy}{dx}dxdy​

[3]
b.

find the coordinates of the point where dydx=0\displaystyle \frac{dy}{dx} = 0dxdy​=0

[4]
Markscheme

9.3 The Chain Rule Questions

  1. A Level
  2. /Maths
  3. /9.3 The Chain Rule

58 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.

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