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Section: Mathematical Functions
Computes the csc function for its argument. The general syntax for its use is 
y = csc(x)
 where x is an n-dimensional array of numerical type. Integer types are promoted to the double type prior to calculation of the csc function. Output y is of the same size and type as the input x, (unless x is an integer, in which case y is a double type). 
Mathematically, the csc function is defined for all arguments as 
![\[ \csc x \equiv \frac{1}{\sin x}. \]](form_67.png) 
The following piece of code plots the real-valued csc(2 pi x) function over the interval of [-1,1]:
--> t = linspace(-1,1,1000); --> plot(t,csc(2*pi*t)) --> axis([-1,1,-10,10]);
