Chapter 8

Trigonometry

Trigonometry is a huge topic on Math 2. A typical test includes about ten trigonometry questions—
that’s one-fifth of the test. Bottom line: You have to be able to do at least some of the trigonometry
questions to get a good score on Math 2.

Right   Angles  and SOHCAHTOA

Identities: Level   1   and Level   2

Cotangent,  secant, cosecant

Identities: Functions   of  sums,   etc.

Radians

Amplitude   and period

Law of  sines   and law of  cosines