Definition of trigonometric functions Student activity Play

Definition of trigonometric functions Whiteboard exercise Play

Derivative of linear combination of trigonometric functions Whiteboard exercise Play

Equality of tangent and cotangent Whiteboard exercise Play

Finding the reciprocals of basic trigonometric ratios Whiteboard exercise Play

Finding the values of reciprocal trigonometric functions Whiteboard exercise Play

Finding  cosx Whiteboard exercise Play

Finding  cotx Whiteboard exercise Play

Finding  tanx Whiteboard exercise Play

Graph of the cotangent Whiteboard exercise Play

Graph of the cotangent Student activity Play

Graphs of reciprocal trigonometric functions Whiteboard exercise Play

Graphs of reciprocal trigonometric functions Student activity Play

Graphs of reciprocal trigonometric functions translated by a vector Whiteboard exercise Play

Introducing a new variable – exercises Student activity Play

Justification of the cotangent function identity Animation Play

Linear combinations of trigonometric functions Student activity Play

Linear combinations of trigonometric functions Whiteboard exercise Play

Miscellaneous exercises Student activity Play

Reciprocals of basic trigonometric ratios Student activity Play

Some consequences of the identities Student activity Play

The cotangent and the cosecant Animation Play

The cotangent and the cosecant Student activity Play

The cotangent function Whiteboard exercise Play

The derivative of the cotangent function Student activity Play