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Trigonometric Functions

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Question 155

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

tan⁡2x+ksec⁡x−2=0 \tan^2x + k\sec x - 2 = 0 tan2x+ksecx−2=0

where k k\,k is a constant and k>2k>2k>2.

Give your answers in terms of kkk.

[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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