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3.5 Trigonometry (A-level only)

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Question 9

Solve, for 0°≤x≤360°0° \leq x \leq 360°0°≤x≤360°, the equation

sec⁡2x+5sec⁡x+6=0\sec^2 x + 5\sec x + 6 = 0sec2x+5secx+6=0

Give your answers to one decimal place where appropriate.

[5]
Markscheme

3.5 Trigonometry (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.5 Trigonometry (A-level only)

223 exam-style questions on WJEC A Level Maths 3.5 Trigonometry (A-level only), covering 3.5.1 Trigonometry (A-level only), 3.5.2 Trigonometry (A-level only), 3.5.3 Trigonometry (A-level only), 3.5.4 Trigonometry (A-level only), 3.5.5 Trigonometry (A-level only), 3.5.6 Trigonometry (A-level only), 3.5.7 Trigonometry (A-level only), and 3.5.8 Trigonometry (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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