CHAT Pre-Calculus Help Videos

Finding Trig Values: 2 Methods

Notes:

(The notes section below gives the time stamp for each topic given, so that you can easily navigate to the portions that you need.)

0:04 Definition of Trig Values
2:18 Explaining allsintancos
4:19 Example 1 solving with Pythagorean Identies
7:21 Example 1 solving using the reference triangle
10:36 Example 2 solving using the Pythagorean identity and quotient identity
12:39 Example 2 solving using the reference triangle
14:15 Concluding notes