Systems of simultaneous inequalities Student activity Play

The cosine – reducing angles Student activity Play

The cosine – reducing angles Whiteboard exercise Play

The domain of the trigonometric functions Animation Play

The graph of the cosine Whiteboard exercise Play

The graph of the cosine Student activity Play

The graph of the tangent Student activity Play

The graphical solution of an inequality Animation Play

The identities of the trigonometric functions Animation Play

The inequality describing the disc Whiteboard exercise Play

The modulus and inequalities Animation Play

The modulus and intervals Student activity Play

The modulus and intervals Whiteboard exercise Play

The modulus function Class activity Play

The modulus function Whiteboard presentation Play

The number line Whiteboard exercise Play

The perimeters of the triangles – trigonometric ratios for selected angles Whiteboard exercise Play

The perimeters of the triangles – trigonometric ratios for selected angles Whiteboard exercise Play

The period of the trigonometric functions Animation Play

The same values of the tangent function Whiteboard exercise Play

The same values of trigonometric functions Whiteboard exercise Play

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

The sides of the triangles – trigonometric ratios for selected angles Whiteboard exercise Play

The sign graph method Animation Play

The signs of the trigonometric functions Student activity Play