# Trigonometry

At Video Math Teacher we know not all relationships are easy, especially when the relationship is with Math and Trigonometry. Video Math Teacher provides students with a math tutor online that helps them ease into the relationship and guide them through difficult trigonometric functions.

Trigonometry is a branch of mathematics that deals with relationships between the sides and the angles of a triangle and with the trigonometric functions, which describe those relationships.

Watch the video of a sample problem.

All Trigonometry Lessons Include

- Topics From Algebra
- Real Numbers, Equations, and Inequalities
- Rectangular Coordinate Systems and Graphs

- The Trigonometric Functions
- Angles
- The Trigonometric Functions
- Graphs of Trigonometric Functions
- The Trigonometric Functions of Angles
- The Unit Circle
- Trigonometric Graphs
- Solving Right Triangles

- Analytic Trigonometry
- Identities
- Solving Trigonometric Equations
- Sum and Difference Formulas
- Double and Half Angle Formulas
- Product-To-Sum and Sum-To-Product Formulas

- Applications of Trigonometry
- The Law of Sines to Solve Triangles
- The Law of Cosines
- Trigonometric Form of Complex Numbers
- De Moivre’s Theorem
- Vectors
- The Dot Product of Two Vectors

- Logarithms
- Exponential Functions
- Logarithmic Functions