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1.7.21 Use identities to solve equations (A-level only)

1.7.21 Use identities to solve equations (A-level only)

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Question 3

Solve, for 0°⩽x<360°0° \leqslant x < 360°0°⩽x<360°, the equation 5cos⁡(x−40°)=25\cos(x - 40°) = 25cos(x−40°)=2

Give your answers to 2 decimal places.

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Markscheme

1.7.21 Use identities to solve equations (A-level only) Questions

  1. A Level
  2. /Maths
  3. /1.7.21 Use identities to solve equations (A-level only)

37 exam-style questions on OCR (MEI) A Level Maths 1.7.21 Use identities to solve equations (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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