Addition of forces Class activity Play

Addition of forces Class activity Play

Addition of forces Whiteboard presentation Play

Applying double-angle formula for the tangent Whiteboard exercise Play

Applying the equation of the tangent in exercise Whiteboard exercise Play

Applying the equation of the tangent in exercises Student activity Play

Applying the sum and difference identities for the tangent Student activity Play

Applying the sum and difference identities for the tangent Whiteboard exercise Play

Approximate solution of equations Class activity Play

Approximate solution of equations Whiteboard presentation Play

Approximating using the tangent Simulation Play

Are all trigonometric functions really necessary? Student activity Play

Basic periods of trigonometric functions Student activity Play

Basic trigonometric functions Whiteboard presentation Play

Basic trigonometric functions Class activity Play

Basic trigonometric identities Whiteboard exercise Play

Basic trigonometric identities Student activity Play

Billiard ball collisions and the velocity vectors Student activity Play

Blot and symmetry Animation Play

Changing the sign of an angle Student activity Play

Chord bisector goes through the centre Student activity Play

Circle inscribed into a parallelogram Simulation Play

Circle inscribed into a triangle Student activity Play

Circle theorems Class activity Play

Circle theorems Whiteboard presentation Play