Division of the plane with respect to a function graphs Whiteboard exercise Play

Does a function have an extremum? Animation Play

Does the function have a zero? Animation Play

Domain and periodicity of trigonometric functions Student activity Play

Double-angle formula for the cosine Whiteboard exercise Play

Double-angle formula for the cosine Student activity Play

Double-angle formulas Whiteboard presentation Play

Double-angle formulas Class activity Play

Drawing a circle Whiteboard exercise Play

Drawing a circle Student activity Play

Drawing a graph of a linear function Animation Play

Drawing a graph of absolute value of the given function Whiteboard exercise Play

Drawing a graph of the function Animation Play

Drawing the graph of an altered function Student activity Play

Drawing the graph of an altered function Whiteboard exercise Play

Drawing the graph of the function Whiteboard exercise Play

Elements Whiteboard exercise Play

Equation of a linear function Whiteboard exercise Play

Equation of a quadratic function Whiteboard exercise Play

Equations involving the cosine function Whiteboard exercise Play

Equations involving the cosine function Student activity Play

Equations involving the tangent function Whiteboard exercise Play

Equations involving the tangent function Student activity Play

Equations with cos(ax) Whiteboard exercise Play

Equations with one variable Student activity Play