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Trigonometric Functions

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Question 61

Solve, for 0≤x≤3600 \leq x \leq 3600≤x≤360, the equation,

2tan⁡2x+7sec⁡x+1=0 2\tan^2x + 7\sec x + 1 = 0 2tan2x+7secx+1=0

Give your answers to 1 decimal place.

[5]
Markscheme

Trigonometric Functions Questions

  1. A Level
  2. /Maths
  3. /Trigonometric Functions

274 exam-style questions on Edexcel A Level Maths Trigonometric Functions, covering 6.1 Secant, Cosecant and Cotangent, 6.2 Graphs of Sec x, Cosec x and Cot x, 6.3 Using Sec x, Cosec x and Cot x, 6.4 Trigonometric Identities, and 6.5 Inverse Trigonometric Functions. Each one has a worked solution and a mark scheme showing where the marks go.

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