The si of z in Math. Defined by
\[ si (z) = \int \frac{ sin(z) }{ z } \]sin(x) in 2D graph.
sin(x*y) in 3D graph.
Real part on the real axis:
Imaginary part on the real axis is zero.
Real part on the imaginary axis is zero.
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: cos csc arcsin
Function category: circular functions