Evaluate the definite integrals`int_0^(pi/4)(tanx)dx`

Explanation

To evaluate the definite integral \( \int_0^{\frac{\pi}{4}} \tan x \, dx \), we can follow these steps:

### Step 1: Identify the integral
We start with the integral:
\[ \int_0^{\frac{\pi}{4}} \tan x \, dx \]

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