Solve, for 0≤x≤3600 \leq x \leq 3600≤x≤360, the equation,
sec2x+5secx+6=0 \sec^2 x + 5 \sec x + 6 = 0 sec2x+5secx+6=0Give your answers to 1 decimal place where appropriate.
54 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.