NAME

tan, dtan − Fortran tangent intrinsic function

SYNOPSIS

real r1, r2
double precision dp1, dp2

r2 = tan(r1)

dp2 = dtan(dp1)
dp2 = tan(dp1)

DESCRIPTION

tan returns the real tangent of its real argument.  dtan returns the double-precision tangent of its double-precision argument.  The generic tan function becomes dtan as required with a double-precision argument. 

SEE ALSO

trig(3M). 

CX/UX Hf77 Fortran Reference Manual