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Sin calculator
Find the sine of an angle in degrees or radians.
Sin calculator
Enter your values below and press Calculate to see your result instantly.
sin (
)
Resultant Trigonometric Value
0.5000
OPPOSITE-HYPOTENUSE RATIO
1 : 2
COSECANT LIMIT (csc)
2.0000
Calculations complete.
About the Sin calculator
Find the sine of an angle in degrees or radians.
How to use the Sin calculator
- Enter the angle and choose Degrees (°) or Radians (rad).
- Press Calculate.
Formula and method
In a right triangle, sin θ = opposite ÷ hypotenuse. Values lie between −1 and 1.
Worked example
sin 30° = 0.5, sin 90° = 1 and sin 0° = 0.
Tips
- sin(θ) = cos(90° − θ).
- Check that your calculator is in the correct angle mode.
Frequently asked questions
What is the maximum value of sine?
One, reached at 90°.