About the Trigonometric Functions Calculator
All six trig functions — sin, cos, tan, csc, sec and cot — for one angle, plus the quadrant and reference angle.
Also known as: trig calculator, all trig functions, unit circle calculator, reference angle.
How to use this calculator
- Enter angle, unit.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
csc = 1/sin · sec = 1/cos · cot = 1/tan
Worked example
Using the values pre-filled in the calculator above:
- Angle = 225
- Unit: Degrees
the calculator returns:
- sin: -0.70710678
- cos: -0.70710678
- tan: 1
- csc: -1.41421356