# Cos Inverse Formula

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## Cos Inverse X Formula

Trigonometry is a part of geometry you have studied in previous classes. The functions of trigonometry are studied to find the relation between the sides of a right-angled triangle and the angles opposite to them. The inverse trigonometric ratios are studied to find the value of an angle when the values of the adjacent sides are determined. In this section, we will learn the Cos inverse formula and find out the aspects of the impressions used to define it. You will study the Cos inverse X formula here properly and will understand the importance of it in different equations.

### What are Inverse Trigonometric or Anti-trigonometric Functions?

The inverse trigonometric functions, also called the arcus functions or anti-trigonometric functions, are determined to find the value of the angles considering the ratio of sides in a right-angled triangle. These anti-trigonometric or inverse trigonometric functions are used in different fields such as physics, engineering, geometry, etc. In this section, we will understand the value of 2 Cos inverse X formula and its other forms to understand the difference.

### What is the Formula of Cos Inverse X?

The meaning of Cos inverse formula is the inverse of Cos X. you already know what Cos X means. Let us define it again. The cosine of X is the value of an undetermined angle X that represents the ratio of base and hypotenuse of a right-angled triangle. It is represented as Cos X.

Considering this expression, the inverse of Cosine of X is represented as Cos -1 (base/hypotenuse). You can see how the inverse function of the Cosine can be written. Here is how it is described in the theoretical part of the trigonometric functions.

Therefore, Cos -1 (Adjacent side/Hypotenuse) = X

Here, the angle X is represented in degrees.

This is how the Cos inverse X formula is generated and used in the restricted domains. Once you have understood the formula of this expression, you can easily identify the Sin Cos Tan inverse formula of any ratio. It becomes easier to determine the value of the angles from the chart.

In fact, you can also determine the 2 Cos inverse X formula. All you have to do is to double the Cos -1 (Adjacent side/Hypotenuse) formula.

### Why is it Important to Learn the Cos Inverse X Formula?

The inverse formula of Cos X should be learned properly by understanding the meaning of every term used. It will help you determine the function and its applications in different fields. For instance, you will get to understand the outcome of the differentiation of Cos inverse X formula. The application of these inverse trigonometric functions can be seen in all scientific fields. Hence, concentrate on how to form these formulas and determine the output of any mathematical operation done on them.