Trigonometry Calculator
Calculate sin, cos, tan and inverse functions
How to Use
Enter an angle in degrees or radians. Click Calculate to see all trigonometric values.
Frequently Asked Questions
What are trigonometric functions?
Trigonometric functions (sin, cos, tan) relate angles to ratios of sides in right triangles.
Degrees or radians?
You can use either. The calculator supports both. 180° = π radians.