对于$xrightarrow0$
(01 ) $ sinx (备份simx $
(02 ) $ tanx (备份simx $
(03 ) $ArcSinx(backsimx$
(04 ) $Arctanx(backsimx$
(05 ) $ln ) 1x )backsim x$
(06 ) $ e ^ { x }-1 (备份simx $
(07 ) $1-cosx(backsim ) FRAC ) {2}x^{2}$
(08 ) $x-ln(1x ) ) backsim ) FRAC{1}{2}x^{2}$
(09 ) $tanx-sinx(backsim ) frac {2} x ^ {3} $
(10 ) $ArcSinx-Arctanx(backsim ) Frac({1}{2}x^{3}$
(11 ) $tanx-x(backsim ) FRAC({1}{3}x^{3}$
(12 ) $x-Arctanx(backsim ) FRAC{1}{3}x^{3}$
(13 ) $x-sinx(backsim ) FRAC ) {6}x^{3}$
(14 ) $ ) 1a ) ^{x}-1 )备份IMAX $
(15 ) $a^{x}-1(backsimLNA ) timesx$