Determine a sequence of transformations which maps the graph of y=sinxy = \sin xy=sinx onto the graph of y=sinx−3cosx+6y = \sin x - \sqrt{3} \cos x + 6y=sinx−3cosx+6
Calculate the minimum value of 1sinx−3cosx+6\displaystyle \frac{1}{\sin x - \sqrt{3} \cos x + 6}sinx−3cosx+61
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.