`f(x)=\arctan{x}` left parenthesis, StartFraction, pi Over 4 , EndFraction , "f" left parenthesis, StartFraction, pi Over 4 , EndFraction , right parenthesis , right parenthesisπ4,fπ4
Label:
2
Expression 3: "y" equals StartFraction, pi Over 2 , EndFraction equals 1.5 7 0 7 9 6 3 2 6 7 9 Has graph. To audio trace, press ALT+T.y=π2
equals=
1.5 7 0 7 9 6 3 2 6 7 91.57079632679
3
Expression 4: "y" equals negative StartFraction, pi Over 2 , EndFraction equals negative 1.5 7 0 7 9 6 3 2 6 7 9 Has graph. To audio trace, press ALT+T.y=−π2