Convert the complex number `(1)/((1+i))` into polar form.

Explanation

To convert the complex number \( \frac{1}{1+i} \) into polar form, we will follow these steps:

### Step 1: Rationalize the denominator
To eliminate the imaginary part in the denominator, we multiply the numerator and the denominator by the conjugate of the denominator.

\[ \frac{1}{1+i} \cdot \frac{1-i}{1-i} = \frac{1-i}{(1+i)(1-i)} \]
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