Definition of basic trigonometric ratios Animation Play

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

Equations involving the tangent function Whiteboard exercise Play

Equations involving the tangent function Student activity Play

Example of the quotient of two functions Animation Play

Finding the cosine and the tangent of an angle Animation Play

Finding the sine and the tangent of an angle Whiteboard exercise Play

Finding the trigonometric functions Student activity Play

Finding  cotx Whiteboard exercise Play

Finding  sinx Whiteboard exercise Play

Finding  tanx Whiteboard exercise Play

Graph of the cotangent Student activity Play

Introducing a new variable – exercises Student activity Play

Inverse function of the tangent Student activity Play

Justification of the tangent function identity Animation Play

Linear combinations of trigonometric functions Whiteboard exercise Play

Linear combinations of trigonometric functions Student activity Play

Reciprocals of basic trigonometric ratios Student activity Play

Rewriting trigonometric expressions as rsin(A + α) Student activity Play

Signs of the ratios in the different quadrants Whiteboard exercise Play

Solving equations involving the tangent function Animation Play

Solving trigonometric equations using the tangent function Whiteboard exercise Play