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1.11 H: Integration

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Question 250
a.

Show that

cos⁡3x≡4cos⁡3x−3cos⁡x \cos 3x \equiv 4\cos^3 x - 3\cos x cos3x≡4cos3x−3cosx
[4]
b.

Hence find, using algebraic integration,

∫0π6cos⁡3x dx \int_{0}^{\frac{\pi}{6}} \cos^3 x \, dx ∫06π​​cos3xdx
[4]

1.11 H: Integration Questions

  1. A Level
  2. /Maths
  3. /1.11 H: Integration

Practise AQA A Level Maths 1.11 H: Integration with exam-style questions for A Level Maths. 436 questions covering 1.11.1 Fundamental Theorem of Calculus, 1.11.2 Integrating standard functions, 1.11.3 Definite integrals and areas, 1.11.4 Integration as the limit of a sum (A-level only), 1.11.5 Integration by substitution and by parts (A-level only), 1.11.6 Integration using partial fractions (A-level only), 1.11.7 Differential equations with separable variables (A-level only), and 1.11.8 Interpreting solutions of differential equations (A-level only), matched to the AQA A Level Maths (7357) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank