Trigonometry: Identities
Gr 11

The Grade 11 Trigonometry: Identities module strengthens learners’ ability to manipulate and simplify trigonometric expressions using the fundamental identities of sine, cosine, and tangent. Miss Pythagoras explains the following:

• Reduction formulae and co-functions

• Special angles

• Negative angles

• Angles greater than 360 degrees

• Identities

• Exam Questions