Properties of trigonometric functions of a general angle (1) Whiteboard presentation Play

Properties of trigonometric functions of a general angle (2) Whiteboard presentation Play

Properties of trigonometric functions of a general angle (2) Class activity Play

Radiation Student activity Play

Radio Animation Play

Radio telescopes Slideshow Play

Radio waves Animation Play

Radio waves Whiteboard exercise Play

Radio waves Chart Play

Radio waves Student activity Play

Radio waves Student activity Play

Radio waves Whiteboard exercise Play

Radio waves and microwaves Student activity Play

Radioactivity Student activity Play

Range of trigonometric functions Student activity Play

Range of trigonometric functions Whiteboard exercise Play

Reading from graphs Student activity Play

Reading properties of the sine from the graph Whiteboard exercise Play

Reading properties of the sine from the graph Student activity Play

Reciprocals of basic trigonometric ratios Student activity Play

Reduction formulas due to periodicity Whiteboard exercise Play

Reduction formulas due to periodicity Student activity Play

Reduction formulas for the sine Animation Play

Reduction formulas for the tangent Animation Play

Reflection and refraction of waves Class activity Play