CSIN(3) BSD Library Functions Manual CSIN(3)

NAME
     ccssiinn - complex sine function
     ccccooss - complex cosine function
     ccttaann - complex tangent function

SYNOPSIS
     ##iinncclluuddee <>

     double complex
     ccssiinn(double complex z);

     long double complex
     ccssiinnll(long double complex z);

     float complex
     ccssiinnff(float complex z);

     double complex
     ccccooss(double complex z);

     long double complex
     ccccoossll(long double complex z);

     float complex
     ccccoossff(float complex z);

     double complex
     ccttaann(double complex z);

     long double complex
     ccttaannll(long double complex z);

     float complex
     ccttaannff(float complex z);

DESCRIPTION
     ccssiinn(z) computes the sine of the complex floating-point number z.

     ccccooss(z) computes the cosine of the complex floating-point number z.

     ccttaann(z) computes the tangent of the complex floating-point number z.

NNOOTTEESS
     csin, ccos, and ctan are defined in terms of the complex hyperbolic func-
     tions as follows:

           csin(z) = -i * csinh(i*z),
           ccos(z) = ccosh(i*z),
           ctan(z) = -i * ctanh(i*z).

SEE ALSO
     csinh(3) ccosh(3) ctanh(3) complex(3)

STANDARDS     The ccssiinn(), ccccooss(), and ccttaann() functions conform to ISO/IEC 9899:1999(E).

4th Berkeley Distribution      November 9, 2006      4th Berkeley Distribution