Downloadable worksheets for CIE Intl A Level Maths Trigonometry and Modelling, with answers included. Worksheets covering 7.1 Addition Formulae, 7.2 Double Angle Formulae, 7.3 Solving Trigonometric Equations, 7.4 Simplifying a cos x +- b sin x, 7.5 Proving Trigonometric Identities, 7.6 Modelling with Trigonometric Functions, and Question Set 7: Trigonometry and Modelling, matched to the CIE Intl A Level Maths (9709) specification and suitable for Intl A Level Maths. Print or work through on screen.