Basic trigonometric functions Whiteboard presentation Play

Basic trigonometric functions Class activity Play

Basic trigonometric identities Student activity Play

Basic trigonometric identities Whiteboard exercise Play

Changing the sign of an angle Student activity Play

Chord bisector goes through the centre Student activity Play

Circle theorems Whiteboard presentation Play

Circle theorems Class activity Play

Circles inscribed into quadrilaterals Student activity Play

Common tangents Simulation Play

Common tangents Student activity Play

Common tangents to the curves Whiteboard exercise Play

Constructing the graph of the tangent function Animation Play

Constructing the graph of the tangent function Animation Play

Construction of a tangent Animation Play

Construction of a tangent to a circle Animation Play

Construction of a tangent to a circle through a point not on the circle Animation Play

Construction of a tangent to the circle Simulation Play

Creating the graph of a tangent-like function Student activity Play

Creating the graph of a tangent-like function Whiteboard exercise Play

Curves defined by equations Student activity Play

Curves defined by equations Whiteboard exercise Play

Curves defined parametrically Student activity Play

Curves defined parametrically Whiteboard exercise Play

Definition of basic trigonometric ratios Animation Play