C Cleo H New member Jan 13, 2010 #1 it says : tan^-1(tan(π)) = tan^-1 ___ = ___ (i'm supposed to fill in the blanks) or sin^-1(sin(2π/3) = ___ help please!
it says : tan^-1(tan(π)) = tan^-1 ___ = ___ (i'm supposed to fill in the blanks) or sin^-1(sin(2π/3) = ___ help please!
