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ਕਦਮ ਦਰ ਕਦਮ

1. \tan{\left(x \right)} = 1

   Start from the equation as given.

2. \tan{\left(x \right)} - 1 = 0

   Bring everything to one side.

3. \tan{\left(x \right)} - 1 = 0

   Isolate the trig function, then read the reference angle off the unit circle. Solutions repeat every period.

4. \left\{n \pi + \frac{\pi}{4}\; \middle|\; n \in \mathbb{Z}\right\}

   General solution over the reals (n is any integer).

5. x = \frac{\pi}{4} \approx 0.78540

   Solve for the variable.