Chapter 10 - Trig Functions

  1. Lesson 1 Right-Angle Trigonometry
  2. Lesson 2 Angles of Rotation
  3. Lesson 3 The Unit Circle
  4. Lesson 4 Inverses of Trigonometric Functions
  5. Lesson 5 The Law of Sines
  6. Lesson 6 The Law of Cosines

Online Graphing

Switching to Degrees/Radians on TI
Press the [MODE] key.
Scroll down to "RADIAN", scroll right to highlight "DEGREE" and press [ENTER]. This will change the calculator's angle setting to degree mode.
Press [CLEAR] to return to the home screen.