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# Arctan Calculator

The Arctan Calculator calculates the value of arctan for a given value of x. Tangent is defined as the ratio of the opposite side to the adjacent side of a specific angle of a right-angled triangle.

## What is Arctan Calculator?

Arctan Calculator is an online tool that helps to calculate the value of arctan. This online arctan calculator helps you to calculate the value of arctan in a few seconds. To use this arctan calculator, please enter the value in the given input box.

## How to Use Arctan Calculator?

Please follow the steps below to find the value of arctan using an online arctan calculator:

**Step 1:**Go to Cuemath’s online arctan calculator.**Step 2:**Enter the value of x in the given input box of the arctan calculator.**Step 3:**Click on the**"Calculate"**button to find the value of the arctan.**Step 4:**Click on the**"Reset"**button to clear the field and enter the new values.

## How does Arctan Calculator Works?

The tangent function is the ratio of the opposite side to the adjacent side. The inverse function of the tangent function is also called **arctan**. The function is represented by “arctan x” or tan^{-1}x.

**Solved Example on Arctan**

Find the arctan value if the x = 1 and verify it using the arctan calculator?

**Solution:**

Given x = 1

tan^{-1}(1) = 45°

Similarly, you can use the arctan calculator and find the value of arctan for:

- x = 1/2
- x = -1

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