asin               50 ext/date/lib/astro.c #define asind(x)    (RADEG*asin(x))
asin             2888 ext/standard/basic_functions.c 	PHP_FE(asin,															arginfo_asin)
asin              491 ext/standard/math.c PHP_FUNCTION(asin)
asin              504 ext/standard/math.c 	RETURN_DOUBLE(asin(num));
asin               35 ext/standard/php_math.h PHP_FUNCTION(asin);