Are all trigonometric functions really necessary? Student activity Play

Basic trigonometric identities Student activity Play

Composition of functions Class activity Play

Composition of functions Whiteboard presentation Play

Composition of functions Whiteboard exercise Play

Composition with a constant function Student activity Play

Defining a function by a table Student activity Play

Defining a function by a table Animation Play

Defining a function by a table – activity Whiteboard exercise Play

Domain and periodicity of trigonometric functions Student activity Play

Domain and periodicity of trigonometric functions Whiteboard exercise Play

Domain of the sum, difference, product and quotient of functions  f  and  g Animation Play

Domain of the sum, difference, product and quotient of functions  f  and  g  – activity Whiteboard exercise Play

Equations with  cos(ax) Student activity Play

Examples of composition of functions Student activity Play

Examples of functions with dense domain Animation Play

Extended and condensed chromatin Slideshow Play

Finding the composite function and its domain Whiteboard exercise Play

Finding the domain and range of the inverse function Whiteboard exercise Play

Finding the domain and range of the inverse function Whiteboard exercise Play

Finding the domain and the range of the composite function Whiteboard exercise Play

Finding the domain of a composition of functions Whiteboard exercise Play

Finding the domain of a composition of functions on the number line Whiteboard exercise Play

Functions 'similar' to trigonometric functions Animation Play

Functions – basic notions Class activity Play