Cos Inverse
Result
Calculated result
0.5
Based on the values entered.
↗ Math
Cos Inverse — free online calculator.
Formula
arccos(x) = angle where cos(angle) = x; domain: [-1, 1]
- Cos Inverse calculates its result from Value (between -1 and 1). It uses the formula arccos(x) = angle where cos(angle) = x; domain: [-1, 1]. Change any input to recalculate the result instantly.
- The main inputs are Value. Enter them in the units and format shown in the calculator.
- Keep comparable quantities in compatible units whenever the formula combines or compares them.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Cos Inverse
Inputs
- Value: 0.5 between -1 and 1
Using Value (between -1 and 1) = 0.5, the calculated result is 0.5.
Sample result: Calculating…
Frequently asked questions
What does the Cos Inverse calculate?
Cos Inverse — free online calculator.
Which values should I enter?
Enter Value using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: arccos(x) = angle where cos(angle) = x; domain: [-1, 1].
Why might my result differ from another source?
Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.