Recover the function using a gradient and a tangent Whiteboard exercise Play

Recover the function using a tangent Whiteboard exercise Play

Reduction formulas Animation Play

Reduction formulas due to periodicity Student activity Play

Reduction formulas due to periodicity Whiteboard exercise Play

Reduction formulas for trigonometric functions Student activity Play

Reduction formulas for trigonometric functions Whiteboard exercise Play

Representing a quadratic function in vertex form Student activity Play

Representing a quadratic function in vertex form Whiteboard exercise Play

Representing a quadratic function in vertex form by completing the square Student activity Play

Representing a quadratic function in vertex form using the discriminant Student activity Play

Rewriting the trigonometric expressions Animation Play

Rewriting trigonometric expressions as rcos(A – α) Whiteboard exercise Play

Rewriting trigonometric expressions as rcos(A – α) Student activity Play

Rewriting trigonometric expressions as rsin(A + α) Whiteboard exercise Play

Rewriting trigonometric expressions as rsin(A + α) Student activity Play

Ribosomes – structure and function Slideshow Play

Ruminant stomach – structure and function Animation Play

Sales of a computer game Animation Play

Secant and tangent of a function Animation Play

Secrets of functions Animation Play

Sign of values of trigonometric functions Whiteboard exercise Play

Signs of the ratios in the different quadrants Whiteboard exercise Play

Similar graphs of similar functions Animation Play

Simple trigonometric equations Student activity Play