The tangent of an arbitrary angle Student activity Play

The tangent of an arbitrary angle Whiteboard exercise Play

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 Whiteboard exercise Play

The tangent – reducing angles Student activity Play

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

The three circles Whiteboard exercise Play

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

The values of the trigonometric functions Animation Play

Three circles Student activity Play

Three circles – finding the arcs Whiteboard exercise Play

Three circles – finding the area Whiteboard exercise Play

Transforming graphs of trigonometric functions (1) Whiteboard presentation Play

Transforming graphs of trigonometric functions (1) Class activity 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 Animation Play

Trigonometric functions Student activity Play

Trigonometric functions Student activity Play

Trigonometric functions and their signs Animation Play

Trigonometric functions of the angle 120° Animation Play