Appendix A

Commonly Used Mathematical Functions


Header Required: math.h


double sin (double x);
Return sin of x

double cos (double x);
Return cos of x

double tan (double x);
Return tan of x

double asin (double x);
Return sin-1 of x

double acos (double x);
Return cos-1 of x

double atan (double x);
Return tan-1 of x

double sinh (double x);
Return hyperbolic sin of x

double cosh (double x);
Return hyperbolic cos of x

double tanh (double x);
Return hyperbolic tan of x

double exp (double x);
Return exponential ex of x

double log (double x);
Return natural logarithm of x

double log10 (double x);
Return base 10 logarithm of x

double pow (double x, double y);
Return x to the power of y

double sqrt (double x);
Return square root of x

double ceil (double x);
Return the smallest integer >= x

double floor (double x);
Return the largest integer <= x

double ldexp (double x, double n);
Return x * 2n


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