The period of the sine and the cosine Whiteboard exercise Play

The period of the trigonometric functions Animation Play

The periods of the sine and the cosine Student activity Play

The phenomenon of radiation Student activity Play

The properties of gamma radiation Whiteboard exercise Play

The properties of γ radiation Student activity Play

The Pythagorean identity Whiteboard exercise Play

The Pythagorean identity Whiteboard exercise Play

The Pythagorean identity revisited Student activity Play

The quantities that characterise a wave Animation Play

The range of radiation Chart Play

The range of the visible light spectrum Whiteboard exercise Play

The ranges of electromagnetic waves Whiteboard presentation Play

The ranges of electromagnetic waves Animation Play

The ranges of electromagnetic waves Class activity Play

The reaction Whiteboard exercise Play

The reflection of sound waves Animation Play

The reflection of sound waves Student activity Play

The same values of the sine and the cosine Whiteboard exercise Play

The same values of trigonometric functions Whiteboard exercise Play

The shape of the wavefront Animation 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 and coordinates of the points Animation Play