Calculate sin, cos, tan, inverse trigonometric functions, angles, and right triangle values instantly. Accurate, fast, and free online tool.
Visual representation of the trigonometric function based on your input (for Basic Functions).
sin(θ): 0.500000
cos(θ): 0.866025
tan(θ): 0.577350
Enter any two known values (at least one side) to solve the right triangle.
| Degrees | Radians | sin | cos | tan |
|---|---|---|---|---|
| 0° | 0 | 0 | 1 | 0 |
| 30° | π/6 | 1/2 | √3/2 | √3/3 |
| 45° | π/4 | √2/2 | √2/2 | 1 |
| 60° | π/3 | √3/2 | 1/2 | √3 |
| 90° | π/2 | 1 | 0 | Undefined |
| 120° | 2π/3 | √3/2 | -1/2 | -√3 |
| 135° | 3π/4 | √2/2 | -√2/2 | -1 |
| 150° | 5π/6 | 1/2 | -√3/2 | -√3/3 |
| 180° | π | 0 | -1 | 0 |
| 270° | 3π/2 | -1 | 0 | Undefined |
| 360° | 2π | 0 | 1 | 0 |
A Trigonometry Calculator is an essential online mathematics tool designed to evaluate trigonometric functions instantly. Whether you are dealing with basic functions like sine, cosine, and tangent, or exploring inverse and hyperbolic functions, this tool ensures absolute precision without requiring manual lookups in trigonometric tables.
Using our tool is straightforward:
Angles can be measured in degrees or radians. A full circle is 360 degrees, which is equivalent to 2π radians. This calculator effortlessly converts between these units to evaluate functions based on your specific requirements.
It is an advanced digital tool used to compute basic, inverse, and hyperbolic trigonometric functions. It also provides visual aids like unit circles and solves right triangles automatically.
Simply select the function from the dropdown list, input your value, select the appropriate unit (e.g., Degrees), and hit Calculate. The result will appear immediately.
Degrees and radians are two standard units for measuring angles. A full circle is 360 degrees or 2π radians. Use the unit selector to ensure your calculation uses the correct metric.
Yes. It fully supports inverse functions such as asin (arcsin), acos (arccos), and atan (arctan), complete with domain validation to prevent mathematical errors.
Absolutely. Use the Right Triangle Calculator section. Simply input two known values (at least one side length), and the tool will compute the remaining sides and angles using Pythagorean theorem and trigonometric ratios.
For values where the tangent is mathematically undefined (like 90° or 270°), the calculator will explicitly state "Undefined" rather than returning an error or confusing infinite number.