Double Angle Formulae - With answers

All you need for 'A' level Trigonometry

This is a set of worksheets in pdf format with everything you need to learn, teach or revise 'A' Level trigonometry. All come with answers This set of worksheets have been written by teachers and examiners and have been successfully used with students for many years. Some of these topics are covered well in text books (others less so) but we decided to compile a set of questions that cover every aspect from all angles. In many cases this sheets pick up where the text books leave off and go right up to preparing for exam standard questions.