The circle Class activity Play

The circle Whiteboard presentation Play

The cotangent and the cosecant Student activity Play

The derivative of the natural exponential function Animation Play

The derivative of the natural exponential function Student activity Play

The derivative of the tangent function Animation Play

The derivative of the tangent function Student activity Play

The domain of the trigonometric functions Animation Play

The ellipse Student activity Play

The ellipse Animation Play

The equation of a normal Whiteboard exercise Play

The equation of a tangent to a circle Student activity Play

The equation of a tangent to a circle Whiteboard exercise Play

The equation of the tangent Student activity Play

The equation of the tangent Animation Play

The equation of the tangent Whiteboard exercise Play

The equation of the tangent to a curve Whiteboard exercise Play

The first tangent theorem Animation Play

The first tangent theorem – perpendicularity Student activity Play

The first tangent theorem – perpendicularity Whiteboard exercise Play

The gradient and the equation of a tangent Student activity Play

The gradient of a curve Animation Play

The gradient of a curve Student activity Play

The gradient of the tangent function Simulation Play

The gradient of the tangent to the natural exponential function Whiteboard exercise Play