A closer look at the sine Whiteboard exercise Play

A closer look at the trigonometric ratios Simulation Play

A closer look at the trigonometric ratios Student activity Play

A cone Student activity Play

A cone Whiteboard exercise Play

A half-plane as a graphical solution of an inequality Whiteboard exercise Play

A half-plane as a graphical solution of an inequality Student activity Play

A linear function in the argument Whiteboard exercise Play

A linear function in the argument Student activity Play

A path around a park pond Animation Play

A rectangular fence Animation Play

A staircase Student activity Play

A tide Student activity Play

A tide Whiteboard exercise Play

A vibrating beam Whiteboard exercise Play

A vibrating beam Student activity Play

A water wheel Student activity Play

Absolute value and graphs of trigonometric functions Student activity Play

Absolute value and graphs of trigonometric functions Whiteboard exercise Play

Amplitude of the trigonometric functions Whiteboard exercise Play

An application of half-planes in economy Animation Play

An example of an exponential inequality Animation Play

An inequality in a coordinate system Animation Play

Applying double-angle formulas to prove a trigonometric identity Whiteboard exercise Play

Applying trigonometric identities to equations Student activity Play