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Arccosine, written as arccos or cos -1 (not to be confused with ), is the inverse cosine function. Both arccos and cos -1 are the same thing. Cosine only has an inverse on a restricted domain, …

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Arccosine is the inverse of the cosine function and thus it is one of the inverse trigonometric functions. Arccosine is pronounced as "arc cosine". Arccosine of x can also be written as …

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arccos (x), inverse cosine function. Definition, rules, graph and table.

Use this arccos calculator to easily calculate the arccosine of a number. Supports input of either decimal numbers (e.g. 0.5, -0.5) or fractions (e.g. 1/2, -1/2).

Definition of the arccos function in trigonometry. The inverse of the cosine function. The angle whose cosine is a given number.

Explore the graph, domain and range of arccos (x) function through graphs and examples. Detailed solutions to examples and exercises with answers are included

Online arccos (x) calculator. Inverse cosine calculator. Enter the cosine value, select degrees (°) or radians (rad) and press the = button.