

Welcome to our online Arccos Calculator, your key to unlocking the world of inverse cosine calculations. Dive in and explore the power of trigonometric precision at your fingertips!
Understanding Arccosine
Arccosine, denoted as arccos(x) or cos⻹(x), stands as the inverse of the cosine function (cos(x)). For instance, if the cosine of an angle, say 60°, equals 0.5:
cos(60°) = 0.5
Then the arccosine of 0.5, represented as arccos(0.5) or cos⻹(0.5), equals 60°. This relationship helps determine angles based on cosine values.
x | arccos(x) | |
---|---|---|
degrees | radians | |
-1 | 180° | π |
-0.8660254 | 150° | 5π/6 |
-0.7071068 | 135° | 3π/4 |
-0.5 | 120° | 2π/3 |
0 | 90° | π/2 |
0.5 | 60° | π/3 |
0.7071068 | 45° | π/4 |
0.8660254 | 30° | π/6 |
1 | 0° | 0 |
Arccos Calculator: Unraveling Inverse Cosine
Solve with Precision: Our Arccos Calculator simplifies the process of finding inverse cosine values, an essential tool for trigonometric solutions.
User-Friendly: Input your value and get instant results, making complex calculations a thing of the past.
Accuracy Assured: Navigate trigonometric challenges effortlessly with this online calculator, ensuring precise inverse cosine solutions at your fingertips.
Inverse cosine, often referred to as arccosine or abbreviated as 'arccos,' serves as the inverse counterpart to the cosine function. This mathematical tool comes into play when determining an unknown angle in a right triangle, given the lengths of its two sides.