The equation of a tangent to a circle Whiteboard exercise Play

The equation of the tangent Animation Play

The equation of the tangent Whiteboard exercise Play

The equation of the tangent Student activity Play

The equation of the tangent to a curve Whiteboard exercise Play

The fence problem Student activity Play

The fence problem Whiteboard exercise Play

The first tangent theorem Animation Play

The first tangent theorem – perpendicularity Whiteboard exercise Play

The first tangent theorem – perpendicularity Student activity Play

The general form of the equation of a straight line Student activity Play

The gradient and the equation of a tangent Student activity Play

The gradient of a curve Student activity Play

The gradient of a curve Animation Play

The gradient of a line Student activity Play

The gradient of a line Whiteboard exercise Play

The gradient of a line perpendicular to the  x-axis Animation Play

The gradient of the tangent function Simulation Play

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

The graph of the tangent Student activity Play

The graph of the tangent function Whiteboard exercise Play

The graph of the tangent function Student activity Play

The graph of the tangent function Student activity Play

The graph of the tangent function Animation Play

The graphs of the tangent and cotangent Animation Play