ctan, ctanf, ctanl

 

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Retrieves the tangent of a complex number.

Syntax

_Dcomplex ctan(   
   _Dcomplex z   
);  
_Fcomplex ctan(   
   _Fcomplex z   
);  // C++ only  
_Lcomplex ctan(   
   _Lcomplex z   
);  // C++ only  
_Fcomplex ctanf(   
   _Fcomplex z   
);  
_Lcomplex ctanl(   
   _Lcomplex z   
);  

Parameters

z
A complex number that represents the angle, in radians.

Return Value

The tangent of z.

Input SEH Exception _matherr Exception
± ∞, QNAN, IND none _DOMAIN
± ∞ (tan, tanf) INVALID _DOMAIN

Remarks

Because C++ allows overloading, you can call overloads of ctan that take and return _Fcomplex and _Lcomplex values. In a C program, ctan always takes and returns a _Dcomplex value.

Requirements

Routine C header C++ header
ctan, ctanf, ctanl <complex.h> <ccomplex>

For more compatibility information, see Compatibility in the Introduction.

See Also

Alphabetical Function Reference
catanh, catanhf, catanhl
ctanh, ctanhf, ctanhl
catan, catanf, catanl
csinh, csinhf, csinhl
casinh, casinhf, casinhl
ccosh, ccoshf, ccoshl
cacosh, cacoshf, cacoshl
cacos, cacosf, cacosl
csin, csinf, csinl
casin, casinf, casinl
ccos, ccosf, ccosl
csqrt, csqrtf, csqrtl