Examples for

# Trigonometry

Trigonometry is the study of the relationships between side lengths and angles of triangles and the applications of these relationships. The field is fundamental to mathematics, engineering and a wide variety of sciences. Wolfram|Alpha has comprehensive functionality in the area and is able to compute values of trigonometric functions, solve equations involving trigonometry and more.

### Trigonometric Calculations

Evaluate trigonometric functions or larger expressions involving trigonometric functions with different input values.

### Trigonometric Identities

Learn about and apply well-known trigonometric identities.

### Spherical Trigonometry

Study the relationships between side lengths and angles of triangles when these triangles are drawn atop a spherical surface.

### Trigonometric Functions

Learn about and perform computations using trigonometric functions and their inverses, over the real or complex numbers.

### Trigonometric Equations

Solve equations involving trigonometric functions.

### GO FURTHER

Step-by-Step Solutions for Proofs

### RELATED EXAMPLES

• Algebra
• Applied Mathematics
• Calculus & Analysis
• Complex Analysis
• Geometry
• Oscillations & Waves
• Periodic Functions
• ### Trigonometric Theorems

Learn about and apply well-known trigonometric theorems.