Reduction formulas for trigonometric functions Student activity Play

Reduction formulas for trigonometric functions Whiteboard exercise Play

Region on the plane Animation Play

Regions on the plane and inequalities Student activity Play

Regions on the plane and inequalities Student activity Play

Regions on the plane and inequalities Whiteboard exercise Play

Rewriting the trigonometric expressions Animation Play

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

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

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

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

Set of solutions included in other set Whiteboard exercise Play

Sign of values of trigonometric functions Whiteboard exercise Play

Signs of the ratios in the different quadrants Whiteboard exercise Play

Simple trigonometric equations Whiteboard presentation Play

Simple trigonometric equations Class activity Play

Simple trigonometric equations Student activity Play

Simple trigonometric equations Whiteboard exercise Play

Simple trigonometric inequalities Whiteboard exercise Play

Simple trigonometric inequalities Student activity Play

Solution of a system of simultaneous inequalities Animation Play

Solutions of a system of inequalities Whiteboard exercise Play

Solutions of a system of inequalities Student activity Play

Solutions of trigonometric equations Student activity Play

Solutions of trigonometric equations Whiteboard exercise Play