PHP Manual
asin
Description
float asin ( float arg )
Returns the arc sine of arg in radians.
asin() is the complementary function of
sin(), which means that
a==sin(asin(a)) for every value of a that is within
asin()'s range.
Support PHPRO.ORG
Search
PHPRO.ORG Poll
Warning: Participation in PHPRO.ORG polls may incorrectly lead you to believe your opinions matter.
RSS Feed
