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1.5 Trigonometry

1.5 Trigonometry

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Question 12

Find all the values of x x\,x in the interval 0°⩽x<360° 0° \leqslant x < 360°\,0°⩽x<360° for which 2cos⁡2x−3sin⁡2x=14cos⁡x2\cos^2 x - 3\sin^2 x = 14\cos x2cos2x−3sin2x=14cosx

Give your answers to 1 decimal place.

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Markscheme

1.5 Trigonometry Questions

  1. A Level
  2. /Maths
  3. /1.5 Trigonometry

97 exam-style questions on WJEC A Level Maths 1.5 Trigonometry, covering 1.5.1 Trigonometry, 1.5.2 Trigonometry, 1.5.3 Trigonometry, 1.5.4 Trigonometry, and 1.5.5 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

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