asin -- arcsine

Synopsis

• Usage:

  asin x

• Inputs:
  • x
• Outputs:
  • a number, the arcsine (in radians) of x

Description

i1 : asin 1

o1 = 1.5707963267949

o1 : RR (of precision 53)

See http://en.wikipedia.org/wiki/Trigonometric_function.