Verify that the solutions of the equation csc2x=2\csc^2 x = 2csc2x=2 for 0<x<360∘ 0 < x < 360^\circ\,0<x<360∘ are 45∘45^\circ45∘, 135∘135^\circ135∘, 225∘ 225^\circ\,225∘ and 315∘315^\circ315∘.
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.