Arccos Calculator

Enter value and click on calculate. Result will be displayed.
Enter number :
Result:
Angle :

What is an Arccos Calculator?
An Arccos Calculator (also called an Inverse Cosine Calculator) is a tool that determines the angle whose cosine is a given number. It’s the inverse function of the cosine and is written as:

arccos(x) or cos −1 (x)

Where:

  • x is the cosine of an angle.
  • The result is the angle (in degrees or radians) whose cosine equals x.

For example:

If cos(60 ∘) = 0.5, then arccos(0.5) = 60 ∘

Why use an Arccos Calculator?

  • Solving triangles: Finds angles when the adjacent side and hypotenuse are known.
  • Physics and engineering: Calculates angles related to forces, motion, and waveforms.
  • Navigation and surveying: Determines angles based on distance measurements.
  • Computer graphics: Computes angles for object rotations and projections.

How does an Arccos Calculator work?

  1. Input: Enter a value between −1 and 1 (since cosine values only exist in this range).
  2. Calculation: The calculator applies the arccos function to find the corresponding angle.
  3. Output: The angle is typically displayed in degrees or radians.

When do you use an Arccos Calculator?

  • Trigonometry problems: Solving angles in right-angled triangles.
  • Physics applications: Calculating phase shifts and angles of oscillations.
  • Engineering design: Determining angles in mechanical structures.
  • Robotics and graphics: Calculating orientation and movement angles.