Arc Cosine (Noun)
Meaning
The inverse function of the cosine; the angle that has a cosine equal to a given number.
Classification
Nouns denoting relations between people or things or ideas.
Examples
- The arc cosine of 0.5 is 60 degrees, which means that the cosine of 60 degrees is 0.5.
- To find the angle in the triangle, we need to calculate the arc cosine of the adjacent side divided by the hypotenuse.
- The arc cosine function is used to find the angle in a right-angled triangle when the cosine of the angle is known.
- After calculating the arc cosine of the value, we can find the corresponding angle in the unit circle.
- Using a calculator, we can quickly find the arc cosine of a given value and determine the corresponding angle in radians or degrees.