ASIN(X)

Purpose

Arcsine (inverse sine) function.

Class

Elemental function

Argument Type and Attributes

X
must be of type real. Its value must satisfy the inequality |X| <= 1.

Result Type and Attributes

Same as X.

Result Value

Examples

ASIN (1.0) approximates PI/2.


Specific Name Argument Type Result Type Pass As Arg?
ASIN default real default real yes
DASIN double precision real double precision real yes
QASIN (1) REAL(16) REAL(16) yes
QARSIN (1) REAL(16) REAL(16) yes

Notes:

  1. IBM Extension.

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