Trigonometry Foundations

In this course we cover all the foundational knowledge you need to be successful in Grade 12 trigonometry.

• Lesson 1 60 minutes with Leigh on Tuesday, 5 Apr 2022, 17:00

Trigonometry Revision

CAST diagram, reduction formulae, co-ratios, identities.

• Lesson 2 60 minutes with Marelize on Thursday, 7 Apr 2022, 17:00

Trigonometric Ratios and Special Angles

90° triangles and basic trigonometric ratios, solution of triangles and special angles.

• Lesson 3 60 minutes with Marelize on Tuesday, 12 Apr 2022, 17:00

Cartesian Plane Trigonometry and Sketches

Using diagrams to solve trigonometric problems without a calculator.

• Lesson 4 60 minutes with Marelize on Thursday, 14 Apr 2022, 17:00

180° and 360° Rules

The 180° and 360° rules and reduction formulae.

• Lesson 5 60 minutes with Marelize on Tuesday, 19 Apr 2022, 17:00

90° Rule and Negative Angles

The 90° rules and negative angles and using all the reduction formulae to simplify trig expressions.

• Lesson 6 60 minutes with Marelize on Thursday, 21 Apr 2022, 17:00

Identities

Proving identities.

• Lesson 7 60 minutes with Marelize on Tuesday, 26 Apr 2022, 17:00

Trigonometric Equations - Basics

Solving basic trigonometric equations.

• Lesson 8 60 minutes with Marelize on Thursday, 28 Apr 2022, 17:00

Trigonometric Equations - Stepping Up

Solving further trigonometric equations.

• Lesson 9 60 minutes with Marelize on Tuesday, 3 May 2022, 17:00

Trigonometric Functions and Graphs - Basics

Sine, cos and tan graphs, amplitude change, period change, horizontal and vertical shifts.

• Lesson 10 60 minutes with Marelize on Thursday, 5 May 2022, 17:00

Trigonometric Functions and Graphs - Stepping Up

Graph interpretation.