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arctan( z )

The inverse tangent of z in Math. Defined by

arctan(tanz)=z

Real part on the real axis:

-5.0 -2.5 2.5 5.0 -1.0 -0.5 0.5 1.0

Imaginary part on the real axis is zero.

Real part on the imaginary axis:

-5.0 -2.5 2.5 5.0 -1.5 -1.0 -0.5 0.5 1.0 1.5

Imaginary part on the imaginary axis:

-5.0 -2.5 2.5 5.0 -3 -2 -1 1 2 3

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