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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
25 Oct 2021

Given information

Given the expression .

The main objective is to find the exact value of the given expression.

Step-by-step explanation

Step 1.

The inverse tangent function is defined as .

Here, can be written as .

Let .

Then,

 

It is known that, .

So, .

 

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