The tangent theorem – solving problems Whiteboard exercise Play

The tangent to a circle Whiteboard exercise Play

The tangent to a circle Student activity Play

The tangent – reducing angles Student activity Play

The tangent – reducing angles Whiteboard exercise Play

The tangents to the circle that are parallel to the line Animation Play

The values of the derivative of the tangent function Whiteboard exercise Play

The values of the trigonometric functions Animation Play

Transforming graphs of trigonometric functions (1) Class activity Play

Transforming graphs of trigonometric functions (1) Whiteboard presentation Play

Trigonometric equations (1) Whiteboard presentation Play

Trigonometric equations (1) Class activity Play

Trigonometric equations (2) Class activity Play

Trigonometric equations (2) Whiteboard presentation Play

Trigonometric functions Student activity Play

Trigonometric functions Student activity Play

Trigonometric functions Animation Play

Trigonometric functions and their signs Animation Play

Trigonometric functions of the angle 120° Animation Play

Trigonometric functions of the angle 45° Whiteboard exercise Play

Trigonometric functions of the general angle Student activity 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 identity for tangent and cotangent Simulation Play

Trigonometric ratios in a right-angled triangle Class activity Play