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1.8 E: Trigonometry

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Question 46

Figure 1 below shows a circle with centre C C\,C and equation

(x+2)2+(y+1)2=25(x + 2)^2 + (y + 1)^2 = 25(x+2)2+(y+1)2=25

The circle intersects the positive xxx-axis at A A\,A and intersects the positive yyy-axis at BBB. The sector ACB ACB\,ACB is shaded on the diagram.

Figure for question 8

a.

Show that the angle ACB ACB\,ACB is 0.958 radians, correct to three significant figures.

[5]
b.

Find the perimeter of the sector ACBACBACB, giving your answer to three significant figures.

[3]
Markscheme

1.8 E: Trigonometry Questions

  1. A Level
  2. /Maths
  3. /1.8 E: Trigonometry

317 exam-style questions on AQA A Level Maths 1.8 E: Trigonometry, covering 1.8.1 Trigonometric definitions, rules and radians, 1.8.2 Small angle approximations (A-level only), 1.8.3 Trigonometric functions and exact values, 1.8.4 Reciprocal and inverse trigonometric functions (A-level only), 1.8.5 Trigonometric identities, 1.8.6 Compound and double angle formulae (A-level only), 1.8.7 Solving trigonometric equations, 1.8.8 Proofs with trigonometric identities, and 1.8.9 Trigonometry in context. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank