Trigonometry Calculator

Switch between function and right-triangle modes, choose degrees or radians, inspect sin/cos/tan together, and solve a right triangle from two valid measurements.

Mode

Angle unit

Function

Input

Common angle

——

—sin

—cos

—tan

—Radians

How to use this Trigonometry Calculator

Use Function mode for sin/cos/tan and their reciprocals/inverses, or Right triangle mode to solve a triangle from two valid measurements including at least one side.