The cosine of an arbitrary angle Student activity Play

The cosine of an arbitrary angle Simulation Play

The cosine rule Whiteboard exercise Play

The cosine rule Class activity Play

The cosine rule Student activity Play

The cosine rule Whiteboard presentation Play

The cosine rule leading to two solutions Animation Play

The cosine rule – special case Animation Play

The cosine – reducing angles Student activity Play

The cosine – reducing angles Whiteboard exercise Play

The cotangent and the cosecant Student activity Play

The derivative of the cosine function Student activity Play

The derivative of the cosine function Animation Play

The direction of the electromotive force Animation Play

The domain of the trigonometric functions Animation Play

The examples of using the trapezium rule Animation Play

The forces that turn the frame Student activity Play

The formula of the function Animation Play

The general rule for integer exponents Whiteboard exercise Play

The general rule for integer exponents Student activity Play

The general rule for integer exponents Whiteboard exercise Play

The general rule for the definite integrals of powers of  x Whiteboard exercise Play

The general rule for the sequence Whiteboard exercise Play

The graph of the cosine function Student activity Play

The graph of the cosine Whiteboard exercise Play