Arccos Calculator
Result
Arccos Calculator (Inverse Cosine) The Arccos Calculator finds the inverse cosine of a value between -1 and 1, returning the angle in both radians and degrees. The formula used is: arccos(x) = the angle whose cosine is x. — free online calculator.
Formula
- Arccos Calculator calculates its result from Inverse Cosine. It uses the formula arccos(x) = inverse cosine. Change any input to recalculate the result instantly.
- The main inputs are Inverse Cosine. 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: Arccos
- Inverse Cosine: 2
Using Inverse Cosine = 2, the calculated result is 2.
Sample result: Calculating…
Frequently asked questions
What does the Arccos calculate?
Arccos Calculator (Inverse Cosine) The Arccos Calculator finds the inverse cosine of a value between -1 and 1, returning the angle in both radians and degrees. The formula used is: arccos(x) = the angle whose cosine is x. — free online calculator.
Which values should I enter?
Enter Inverse Cosine using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: arccos(x) = inverse cosine.
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.