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casin(3) -- Linux man page

 

NAME

casin, casinf, casinl - complex arc sine  

SYNOPSIS

#include <complex.h>

double complex casin(double complex z);

float complex casinf(float complex z);

long double complex casinl(long double complex z);

 

DESCRIPTION

The casin() function calculates the complex asin(). If y = casin(z), then z = csin(y). The real part of y is chosen in the interval [-pi/2,pi/2].

One has casin(z) = -i clog(iz+csqrt(1-z*z)).  

CONFORMING TO

C99  

SEE ALSO

clog(3), ccos(3)


 
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Mann -- TCL Functions (not available)


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