The tangent from a point to a circle Student activity Play

The tangent function Whiteboard exercise Play

The tangent intersecting a curve Animation Play

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 Student activity Play

The tangent to a circle Whiteboard exercise 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 Thomson model vs. Rutherford's experiment Student activity Play

The Thomson model vs. Rutherford’s experiment Whiteboard exercise Play

The total energy of an electron in an orbit Animation Play

The value of the change in potential between points in a field Animation Play

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

The values of the trigonometric functions Animation Play

The volume in litres Whiteboard exercise Play

The water in the aquarium Whiteboard exercise Play

The water temperature Whiteboard exercise Play

Three bottles Whiteboard exercise Play

Total entropy change Animation Play

Total internal reflection Student activity Play

Total internal reflection Simulation Play

Total internal reflection Whiteboard exercise Play