Trigonometric Functions
Calculate sine, cosine, tangent, and their inverse functions. Enter an angle in degrees or radians.
Why use this tool?
Trigonometric functions are essential in mathematics, physics, engineering, and many other fields.
- Multiple functions — sin, cos, tan, and their inverses.
- Degree and radian support — work with either unit.
- Privacy-focused — all calculations happen in your browser.
- Fast and free — no sign-up required.
How to use
- Enter the angle value.
- Select degrees or radians as the unit.
- Choose the trigonometric function you want to calculate.
- Click Calculate to see the result.
Frequently Asked Questions
This tool supports sine (sin), cosine (cos), tangent (tan), and their inverse functions arcsin, arccos, and arctan.
Yes, completely free with no sign-up required.
No. Everything runs client-side in your browser.