Returns the cosecant of a complex number.
Syntax
IMCSC( z )
where z is a complex number
Semantics
IMCSC( z ) is equivalent to IMDIV(1, IMSIN(z)).
To get better accuracy it is not implemented that way. With the notation IMCSC("a+bj")="c+dj" the used formulas are
real part
imaginary part