How do you evaluate $arctan (0)$ $arctan(0)$ ?

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Answer 1 · 2015-04-21T21:59:00

Evaluating $arctan (0)$ $arctan(0)$
is equivalent to asking for what value of $θ$ $theta$ is
$tan (θ) = 0$ $tan(theta) = 0$ ?

A brief consideration of what is meant by the $tan$ $tan$ function should be sufficient to realize
$theta epsilon {0, pi, 2pi, 3pi, ...}$

How do you evaluate arctan(0)arctan(0)arctan(0)?