Trigonometric functions of the general angle Simulation Play

Trigonometric functions of the sum and difference of angles (1) Whiteboard presentation Play

Trigonometric functions of the sum and difference of angles (1) Class activity Play

Trigonometric functions of the sum and difference of angles (2) Class activity Play

Trigonometric functions of the sum and difference of angles (2) Whiteboard presentation Play

Trigonometric identities Student activity Play

Trigonometric identities Whiteboard exercise Play

Trigonometric identities Whiteboard exercise Play

Trigonometric identities – investigations Student activity Play

Trigonometric identities – investigations Simulation Play

Trigonometric identity for tangent and cotangent Simulation Play

Trigonometric ratios Whiteboard exercise Play

Trigonometric ratios in a right-angled triangle Class activity Play

Trigonometric ratios in a right-angled triangle Whiteboard presentation Play

Trigonometric ratios in a right-angled triangle Whiteboard exercise Play

Trigonometric ratios in a right-angled triangle Student activity Play

Trigonometric ratios – a lighthouse Whiteboard exercise Play

Trigonometric ratios – distance to a star Whiteboard exercise Play

Trigonometric ratios – problems Student activity Play

Trigonometric ratios – tangent Whiteboard exercise Play

Trigonometric ratios – the altitude of the Sun Whiteboard exercise Play

Trigonometric ratios – the angles of the triangle Whiteboard exercise Play

Trigonometric tables Chart Play

Trigonometry of a general angle Class activity Play

Trigonometry of a general angle Whiteboard presentation Play