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6.3 Using Sec x, Cosec x and Cot x

6.3 Using Sec x, Cosec x and Cot x

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Question 16

Solve, for −180≤x≤180-180 \leq x \leq 180−180≤x≤180, the equation,

2cot⁡2x−cosec2x+cosecx=4 2\cot^2x - \text{cosec}^2x + \text{cosec}x = 4 2cot2x−cosec2x+cosecx=4

Give your answers to 1 decimal place where appropriate.

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Markscheme

6.3 Using Sec x, Cosec x and Cot x Questions

  1. A Level
  2. /Maths
  3. /6.3 Using Sec x, Cosec x and Cot x

16 exam-style questions on Edexcel A Level Maths 6.3 Using Sec x, Cosec x and Cot x. Each one has a worked solution and a mark scheme showing where the marks go.

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