Solve, for 0≤x≤3600 \leq x \leq 3600≤x≤360, the equation,
2tan2x+7secx+1=0
2\tan^2x + 7\sec x + 1 = 0
2tan2x+7secx+1=0
Give your answers to 1 decimal place.
[5]
Markscheme
6.3 Using Sec x, Cosec x and Cot x Questions
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.