PHP asin function

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asin

(PHP 3, PHP 4, PHP 5)

asin — Arc sineDescriptionfloat 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.

See also:
asinh(),
acos(), and
atan().

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Published:
2.26.07 / 1am
Category:
PHP Functions
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