Trigonometry of a general angle Class activity Play

Trigonometry of a general angle Whiteboard presentation Play

Two billiard balls collisions and the velocity vectors Whiteboard exercise Play

Unknown side of a triangle Animation Play

Use of a calculator Class activity Play

Use of a calculator Whiteboard presentation Play

Using Simpson's composite rule Student activity Play

Using the calculator Student activity Play

Using the calculator Whiteboard exercise Play

Using the chain rule Whiteboard exercise Play

Using the double-angle formulas for the tangent to rewrite sine and cosine Student activity Play

Using the law of sines Whiteboard exercise Play

Using the mid-ordinate rule Whiteboard exercise Play

Using the mid-ordinate rule Student activity Play

Using the nth term rule Whiteboard exercise Play

Using the nth term rule Student activity Play

Using the nth term rule for a geometric sequence Student activity Play

Using the parallelogram rule Animation Play

Using the rule in general form Whiteboard exercise Play

Using the sine rule Student activity Play

Using the sine rule Whiteboard exercise Play

Using the sum and difference identities for the sine and cosine Whiteboard exercise Play

Using the trapezium rule Whiteboard exercise Play

Values of the sine and the cosine Animation Play

Vertical stretching and shrinking Animation Play