SIND(X) computes the sine of X in degrees. 
This function is for compatibility only and should be avoided in favor of standard constructs wherever possible.
GNU extension, enabled with -fdec-math.
Elemental function
RESULT = SIND(X) 
| X | The type shall be REALorCOMPLEX. | 
The return value has same type and kind as X, and its value is in degrees.
program test_sind real :: x = 0.0 x = sind(x) end program test_sind
| Name | Argument | Return type | Standard | 
| SIND(X) | REAL(4) X | REAL(4) | GNU extension | 
| DSIND(X) | REAL(8) X | REAL(8) | GNU extension | 
| CSIND(X) | COMPLEX(4) X | COMPLEX(4) | GNU extension | 
| ZSIND(X) | COMPLEX(8) X | COMPLEX(8) | GNU extension | 
| CDSIND(X) | COMPLEX(8) X | COMPLEX(8) | GNU extension | 
    © Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
    https://gcc.gnu.org/onlinedocs/gcc-10.2.0/gfortran/SIND.html