Trigonometric ratios in a right-angled triangle Class activity Play

Trigonometric ratios in a right-angled triangle Whiteboard presentation Play

Trigonometry of a general angle Whiteboard presentation Play

Trigonometry of a general angle Class activity Play

Two billiard balls collisions and the velocity vectors Whiteboard exercise Play

Two points on the shoreline Animation Play

Use of a calculator Whiteboard presentation Play

Use of a calculator Class activity Play

Using new variables to solve trigonometric equations Whiteboard exercise 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 cosine Whiteboard exercise Play

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

Using the sine rule Student activity Play

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