Domain and periodicity of trigonometric functions Student activity Play

Double-angle formula for the sine Student activity Play

Double-angle formula for the sine Whiteboard exercise Play

Double-angle formulas Whiteboard presentation Play

Double-angle formulas Class activity Play

Drawing a circle Student activity Play

Drawing a circle Whiteboard exercise Play

Equations involving the tangent function Student activity Play

Equations involving the tangent function Whiteboard exercise Play

Equations with sin(ax) Whiteboard exercise Play

Equations with  sin(ax) Student activity Play

Exact values of trigonometric ratios Animation Play

Exact values of trigonometric ratios for selected angles Student activity Play

Exact values of trigonometric ratios for selected angles Animation Play

Example of introducing a new variable Animation Play

Extending the trapezium rule Whiteboard exercise Play

Extending the trapezium rule Student activity Play

Famous sequences – part 2 Student activity Play

Finding angles in a triangle Whiteboard exercise Play

Finding angles in a triangle Student activity Play

Finding double-angle formula for the sine Animation Play

Finding equal expressions Whiteboard exercise Play

Finding functions having the same graphs Whiteboard exercise Play

Finding nth term expressions Student activity Play

Finding sides Student activity Play