Trigonometry Lessons

Click on a lesson below to view the examples that will be shown:

Trigonometric Functions

• Radian and Degree Measure
• The Unit Circle
• Right Triangle Trigonometry
• Trigonometric Functions of an Angle - Part 1
• Trigonometric Functions of an Angle - Part 2
• Arc Length, Area of a Sector, Linear Speed and Angular Speed

Graphs of Trigonometric Functions

• Graphs of Sine and Cosine Functions
• Graphs of Other Trigonometric Functions
• Inverse Trigonometric Functions
• Trigonometry Word Problems

Analytic Trigonometry

• Verifying Trigonometric Identities
• Solving Trigonometric Equations
• Sum and Difference Formulas
• Double and Half-Angle Formulas

Additional Topics in Trigonometry

• Law of Sines
• Law of Cosines
• Vectors in the Plane
• Vectors and Dot Products
• Trigonometric Form of a Complex Number

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