Gr 11 (General Trigonometry)

2. Derive and use reduction formulae to simplify the following expressions:

2.1. sin (90°± 𝜃); cos (90° ± 𝜃) 2.2. sin (180° ± 𝜃); cos (180 °± 𝜃) and tan (180° ± 𝜃)

2.3. sin (360° ± 𝜃); cos (360° ± 𝜃) and tan (360° ± 𝜃) 2.4. sin (−𝜃); cos (−𝜃) and tan (−𝜃)

3. Determine for which values of a variable an identity holds. 4.  Prove Trigonometric Identities

5. Determine the general solutions of trigonometric equations.

6. Trigonometric graphs, vertical, horizontal shifts and period changes