Math calculator
Trigonometry Calculator
Calculate trig functions in degrees or radians for school work, geometry, physics, and engineering basics.
Math tool
Trigonometry Calculator
Calculate sine, cosine, tangent, cosecant, secant, and cotangent in degrees or radians.
Result
sin(30 deg) = 0.5
Common Trig Values
| Expression | Value |
|---|---|
| sin(30°) | 0.5 |
| cos(60°) | 0.5 |
| tan(45°) | 1 |
| sec(60°) | 2 |
Degrees and Radians
Degrees split a circle into 360 parts. Radians measure the same angle using the circle radius. A full circle is 360 degrees or 2π radians, so 180 degrees equals π radians.