Example

> sin(0)
        0
> sin(pi/4)
    0.707
> sin(-pi/2)
       -1
> a = rand(2,5)*pi
 a =
    0.641       2.06       2.86      0.939        2.2
    0.526      0.405      0.351      0.834       2.99
> sin(a)
    0.598      0.884      0.279      0.807      0.809
    0.502      0.394      0.344      0.741      0.156
See also: Page [*] asin(), Page [*] cos(), Page [*] sinh(), Page [*] tan().