수식 3: "f" prime prime left parenthesis, "x" , right parenthesisf′′x
3
숨겨진 레이블 left parenthesis, StartFraction, pi Over 6 , EndFraction , "f" left parenthesis, StartFraction, pi Over 6 , EndFraction , right parenthesis , right parenthesisπ6,fπ6
숨겨진 레이블 left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , "f" left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis , right parenthesis5π6,f5π6