Equations with  tan(ax) Student activity Play

Exact values of trigonometric ratios Animation Play

Exact values of trigonometric ratios for selected angles Animation Play

Exact values of trigonometric ratios for selected angles Student activity Play

Example of introducing a new variable Animation Play

Example of solving a trigonometric equation Animation Play

Finding equal expressions Whiteboard exercise Play

Finding representations of trigonometric functions Simulation Play

Finding solutions of an equation Whiteboard exercise Play

Finding the cosine and the tangent of an angle Animation Play

Finding the cosine of an angle Whiteboard exercise Play

Finding the exact values of trigonometric ratios for selected angles Student activity Play

Finding the period Student activity Play

Finding the reciprocals of basic trigonometric ratios Whiteboard exercise Play

Finding the sine and the tangent of an angle Whiteboard exercise Play

Finding the sine of an angle lying in the first quadrant Whiteboard exercise Play

Finding the solution set of a trigonometric inequality Animation Play

Finding the solutions of a trigonometric equation Whiteboard exercise Play

Finding the trigonometric functions Student activity Play

Finding the values of reciprocal trigonometric functions Whiteboard exercise Play

Finding the values of trigonometric functions Whiteboard exercise Play

Functions 'similar' to trigonometric functions Animation Play

General solution of a trigonometric equation Whiteboard exercise Play

General solution of a trigonometric equation Student activity Play

Graphs of reciprocal trigonometric functions Whiteboard exercise Play