arctan( z )

The inverse tangent of z in Math. Defined by

\[ \arctan ( \tan z ) = z \]

Real part on the real axis:

Imaginary part on the real axis is zero.

Real part on the imaginary axis:

Imaginary part on the imaginary axis:

Real part on the complex plane:

Imaginary part on the complex plane:

Absolute value on the complex plane:

Related functions:   tan   arccot

Function category: circular functions