The second tangent theorem – equality in length Student activity Play

The sequence and its terms Student activity Play

The shape of the graph of the tangent function Whiteboard exercise Play

The signs of the trigonometric functions Student activity Play

The signs of trigonometric functions Whiteboard exercise Play

The signs of trigonometric functions – clockwise turn Whiteboard exercise Play

The space diagonals of a cube Student activity Play

The square roots Whiteboard exercise Play

The sum of the exterior angles of a convex polygon Student activity Play

The surface area of a cuboid Student activity Play

The surface area of a cuboid Whiteboard exercise Play

The tangent Whiteboard exercise Play

The tangent Class activity Play

The tangent Whiteboard presentation Play

The tangent Student activity Play

The tangent Student activity Play

The tangent Whiteboard exercise Play

The tangent and coordinates of the points Animation Play

The tangent and cotangent functions revisited Student activity Play

The tangent and the cotangent are inversely proportional Student activity Play

The tangent and the cotangent as inversely proportional functions Whiteboard exercise Play

The tangent and the gradient of a curve Student activity Play

The tangent and the gradient of a curve Whiteboard exercise Play

The tangent and the normal Animation Play

The tangent and the normal Whiteboard exercise Play