2 csc - trigonometric cosecant function
9 eps nonzero real, defaults to epsilon()
14 Calculate the cosecant of x to a multiple of eps, with error less
15 in absolute value than .75 * eps.
18 > print csc(1, 1e-5), csc(1, 1e-10), csc(1, 1e-15), csc(1, 1e-20)
19 1.1884 1.1883951058 1.188395105778121 1.18839510577812121626
25 NUMBER *qcsc(NUMBER *x, NUMBER *eps)
28 sin, cos, tan, sec, cot, epsilon