19.3 Using your calculator to work with trigonometric ratios 19.4 Finding missing sides and angles 19.5 Trigonometry in the real world Revision questions
20 21 Geometry of circles 20.1 Revision of circle terms
20.2 Circle theorem and corollaries Revision questions
Equation of a line 21.1 Equation of a line
21.2 Working with the equation of a line
21.3 Graphing lines when given the equation of the line 21.4 Point of intersection of two lines (simultaneous equations) Revision questions