基本积分公式: 1
kdxkxc
x1c 2 xdx13
dxxlnxc
xaxc 4 adxlna5 6 7 8
edxexxc
cosxdxsinxc
sinxdxcosxc
12cos2xdxsecxdxtanxc
19 csc2xdxcotxc 2sinx110 dxarctanxc 21x11
11x2dxarcsinxc
12 13 14 15 16
tanxdxlncosxc cotxdxlnsinxc
secxdxlnsecxtanxc cscxdxlncscxcotxc
11xdxarctanc a2x2aa11xadxlnc x2a22axa17
18
1a2x2dxarcsinxc a19
1x2a2dxlnxx2a2c
分部积分法公式
1 形如xneaxdx,令ux,dvedx
nax2 形如xnsinxdx令ux,dvsinxdx
n3 形如xncosxdx令ux,dvcosxdx 4 形如xnarctanxdx,令uarctanx,dvxdx
nn5 形如xnlnxdx,令ulnx,dvxdx
6 形如eaxsinxdx,eaxcosxdx令ue,sinx,cosx均可。
nax常用凑微分公式 1. 2.
faxbdxfxx1dx1faxbdaxb a1fxdx
3. 4. 5. 6. 7. 8.
1flnxdxflnxdlnx
xfexexdxfexdex faxaxdx1faxdax lnafsinxcosxdxfsinxdsinx fcosxsinxdxfcosxdcosx ftanxsec2xdxftanxdtanx
9.
1f(x)dx2f(x)d(x) x10.11.
1111f()dxf(x2xx)d(x)
fcotxcsc2xdxfcotxdcotx
第二部分:常用微分、导数公式
(c=常数)
1、极限
1sinx(1)lim1 (2)lim1xxe (3)limna(ao)1
nx0x0xlimnn1 (5)(4)limarctanxn2x (6)limarctanxx2
(7)limarccotx0 (8)limarccotx (9)limex0
xxxxx1 (10)limex (11)limxx0a0b0a0xna1xn1Lan(12)lim0xbxmbxm1Lb01m(13)limyf(x0x)f(x0)
xx0xxnmnm (系数不为0的情况) nm2、常用等价无穷小关系(x0)
sinx~x tanx~x arcsinx~x arctanx~x 11cosx~x2 ln1x~x ex1~x ax1~xlna
2111x1~x secx1~x2 1xsinx1~x2 1x21x2~x2
22sin3x~(x)3
3、导数的四则运算法则
uuvuvuvuv uvuvuv 2
vv4、基本导数公式
⑴c0 ⑵xx1 ⑶sinxcosx ⑷cosxsinx ⑸tanxsec2x ⑹cotxcsc2x ⑺secxsecxtanx ⑻cscxcscxcotx
1⑼exex ⑽axaxlna ⑾lnx
x⑿logax111 ⒀arcsinx ⒁arccosx
22xlna1x1x⒂arctanx11⒄ ⒃arccotx1x21x2nnnx1⒅
xnn12x 5、高阶导数的运算法则 (1)uxvx(3)uaxbnuxnvx (2)cuxncunx
aunaxb (4)uxvxnknkcnuxv(k)x k06、基本初等函数的n阶导数公式 (1)xnnn! (2)eaxbnaneaxb (3)axnaxlnna
(4)sinaxbansinaxbn
2(5) cosaxb(6)
1axbnnnancosaxbn
2n1n1ann!axbn1 (7)
lnaxb1ann1!axbn
7、微分公式与微分运算法则
⑴dc0 ⑵dxx1dx ⑶dsinxcosxdx ⑷dcosxsinxdx ⑸dtanxsec2xdx ⑹dcotxcsc2xdx ⑺dsecxsecxtanxdx ⑻dcscxcscxcotxdx ⑼dexexdx ⑽daxaxlnadx ⑾dlnx⑿
dlogax1dxxlna11x21dx x
⒁
⒀
darcsinx11x2dxdarccosxdx
⒂darctanx11 ⒃dxdarccotxdx 221x1x8、微分运算法则
⑴duvdudv ⑵dcucdu
uvduudv⑶duvvduudv ⑷d 2vv
第三部分:常用三角函数公式
1.和差公式
sin(AB)sinAcosBcosAsinB sin(AB)sinAcosBcosAsinB cos(AB)cosAcosBsinAsinB cos(AB)cosAcosBsinAsinB
tanAtanBtanAtanB tan(AB)
1tanAtanB1tanAtanBcotAcotB1cotAcotB1 cot(AB) cot(AB)cotBcotAcotBcotAtan(AB)2.倍角公式
sin2A2sinAcosA cos2Acos2Asin2A12sin2A2cos2A1 tan2A2tanA 21tanA3.半角公式
sinA1cosAA1cosA cos 2222A1cosAsinAA1cosAsinA cot 21cosA1cosA21cosA1cosAtan4.和差化积公式
sinasinb2sinabababab sinasinb2cos cossin2222ababababcosacosb2coscossin cosacosb2sin
2222tanatanbsinab
cosacosb5.积化和差公式
1sinasinbcosabcosab
2cosacosb1cosabcosab 2sinacosb6.万能公式
11 sinabsinabcosasinbsinabsinab
22a1tan22 cosasinaa1tan21tan222tan7.平方关系
aa2tan2 tana2 aa1tan222sin2xcos2x1 sec2xtan2x1 csc2xcot2x1
8.倒数关系
tanxcotx1 secxcosx1 9.商数关系
tanxsinxcosx cotxcosxsinx 10.正弦定理:asinAbsinBcsinC2R 11.余弦定理:c2a2b22abcosC 12.反三角函数性质:arcsinx2arccosx
cscxsinx1
arctgx2arcctgx
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