5. Trigonometry

5.01 Inverse Trigonometric Functions

5.02 Introducing and sketching Cosec, Sec and Cot

5.03 The Trigonometric Identities

5.04 Proving Trigonometric Identities

5.05a Solving a Trigonometric Equation

5.05b Solving a Trigonometric Equation 2

5.05c Solving a Trigonometric Equation involving a Quadratic