- #1
kasse
- 384
- 1
All I know about the arctan function is that its domain of def. is the whole real line and that the range of values is (-0,5*pi , 0,5*pi), and also that arctan(0)=0.
But is there a way to know that arctan(1)=(1/4)*pi without recognizing the decimal number the calculator gives?
But is there a way to know that arctan(1)=(1/4)*pi without recognizing the decimal number the calculator gives?