2/15/00
COM1100 Winter2000 Yuhong Yin
5
Mathematical functions
nFunction Description Returned Value
nabs(x) Absolute
Value Same data type as x
npow(x,y) x raised to
the y power Data type of
argument x
nsqrt(x) Square root
of x Same data type as x
nsin(x) Sine of x (x
in radiants) double
ncos(x) Cosine of x
(x in radiants) double
ntan(x) Tangent of x
(x in radiants) double
nlog(x) Natural
logarithm of x double
nexp(x) e raised to
the x power double
#include
<math.h>