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# Step-by-Step Trigonometry

Use Wolfram|Alpha to get information about trigonometry problems, from solving for missing measurements of triangles to evaluating trigonometric functions to manipulating trigonometric expressions. See step-by-step solutions for using trigonometric ratios like sine, cosine and tangent to compute the measurements of sides and angles of triangles. Learn how to find values of additional trigonometric functions, including secant, cosecant and cotangent. Get explanations for how to algebraically manipulate expressions involving trigonometric functions, including to prove and apply identities such as the Pythagorean identity, the negative-angle identity, and the sum and difference identities.

### Right Angle Trigonometry

Use trigonometric ratios to compute measurements of right triangles.

### Trigonometric Expressions

Solve and manipulate expressions involving trigonometric functions.

### Trigonometric Functions

Evaluate sine, cosine, tangent, secant, cosecant and cotangent functions.

### Trigonometric Identities

Prove and reason with trigonometric identities.

### RELATED EXAMPLES

• Geometry
• Oscillations & Waves
• Periodic Functions
• Trigonometry