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C programming/complex.h/casin
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Prototypes
double complex casin(double complex z);
float complex casinf(float complex z);
long double complex casinl(long double complex z);
Description
These functions compute and return the complex arc sine value, in the range of a strip mathematically unbounded along the imaginary axis and in the interval [-π/2, +π/2] along the real axis.
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