The approximation for tan(0.2)cos(0.1)\tan(0.2) \cos(0.1)tan(0.2)cos(0.1) is 0.199. Calculate the percentage error in your approximation, giving your answer to 2 decimal places
278 exam-style questions on Edexcel A Level Maths Radians, covering 5.1 Radian Measure, 5.2 Arc Length, 5.3 Areas of Sectors and Segments, 5.4 Solving Trigonometric Equations, and 5.5 Small Angle Approximations. Each one has a worked solution and a mark scheme showing where the marks go.