Sum of trigonometric functions – investigations Animation 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 Student activity Play

The graph of the cosine Whiteboard exercise Play

The graph of the tangent Student activity Play

The identities of the trigonometric functions Animation 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 signs of the trigonometric functions Student activity Play

The signs of trigonometric functions Whiteboard exercise Play

The signs of trigonometric functions – clockwise turn Whiteboard exercise Play

The sine – reducing angles Student activity Play

The sine – reducing angles Whiteboard exercise Play

The sum and difference of trigonometric functions Whiteboard exercise Play

The tangent – reducing angles Whiteboard exercise Play

The tangent – reducing angles Student activity Play

The trigonometric functions of the angle 90° Animation Play

The values of the trigonometric functions Animation Play