Determine a sequence of transformations which maps the graph of y=sinxy = \sin xy=sinx onto the graph of y=3sinx−cosx+5y = \sqrt{3} \sin x - \cos x + 5y=3sinx−cosx+5
Calculate the minimum value of 13sinx−cosx+5\displaystyle \frac{1}{\sqrt{3} \sin x - \cos x + 5}3sinx−cosx+51
348 exam-style questions on Edexcel A Level Maths Trigonometry and Modelling, 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, and 7.6 Modelling with Trigonometric Functions. Each one has a worked solution and a mark scheme showing where the marks go.