Sine Calculator
Calculate the sine of any angle. Enter the angle in degrees or radians and get the result instantly.
TrigonometryFree · no sign-upStep-by-step answers
How to use this calculator
- 1Enter your values or expression in the fields above.
- 2Press Enter or click the calculate button.
- 3Read the result, then follow the numbered step-by-step working to understand each stage.
Worked Examples
Frequently Asked Questions
What is the sine function?
In a right triangle, sin(θ) = opposite / hypotenuse. On the unit circle, sin(θ) is the y-coordinate.
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