Basic Trigonometry:

Lesson 1.1 - Introduction to Trigonometry

Lesson 1.2 - Introduction to Angles

Lesson 1.3 - Radians and Degrees

Lesson 1.4 - What Exactly is a Radian?

Lesson 1.5 - Coterminal Angles

Lesson 1.6 - Decimal Degrees to DMS

Lesson 1.7 - Arc Length and Area of a Sector

Lesson 1.8 - Linear Speed and Angular Velocity

Lesson 1.9 - Finding the Angle Between the Hands of a Clock Given the Time

Lesson 1.10 - Introduction to the Unit Circle

Lesson 1.11 - How to Remember the Unit Circle

Lesson 1.12 - The Reference Angle

Free Formula Sheet - Trigonometry


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