Seismic waves and the inside of the Earth Student activity Play

Shifting the graph along the y-axis Animation Play

Simple trigonometric equations Class activity Play

Simple trigonometric equations Whiteboard presentation Play

Simple trigonometric inequalities Student activity Play

Singing Simulation Play

Singing Student activity Play

Singing Whiteboard exercise Play

Soap bubble Animation Play

Solving basic trigonometric equations involving the sine function Student activity Play

Solving basic trigonometric equations involving the sine function Whiteboard exercise Play

Solving problems Student activity Play

Solving problems involving trigonometric equations Class activity Play

Solving problems involving trigonometric equations Whiteboard presentation Play

Solving problems involving trigonometric ratios Class activity Play

Solving problems involving trigonometric ratios Whiteboard presentation Play

Solving trigonometric equations using the tangent function Whiteboard exercise Play

Sound Student activity Play

Sound Animation Play

Sound Whiteboard exercise Play

Sound + sound = silence Animation Play

Sound + sound = silence Whiteboard exercise Play

Sound + sound = silence Student activity Play

Sound amplification Whiteboard exercise Play

Sound amplification Student activity Play