高等数学常用积分公式查询表
导数公式:
(tgx ) '=sec 2x (ctgx ) '=-csc 2x (secx ) '=sec x ⋅tgx (cscx ) '=-csc x ⋅ctgx (a x ) '=a x ln a
1
(loga x ) '=
x ln a
基本积分表:
(arcsinx ) '=
1
-x 2
1
(arccosx ) '=-
-x 21
(arctgx ) '=
1+x 2
1
(arcctgx ) '=-
1+x 2
⎰tgxdx =-ln cos x +C ⎰ctgxdx =ln sin x +C
⎰sec xdx =ln sec x +tgx +C ⎰csc xdx =ln csc x -ctgx +C
dx 1x
=arctg +C ⎰a 2+x 2a a dx 1x -a
=ln ⎰x 2-a 22a x +a +C dx 1a +x
=⎰a 2-x 22a ln a -x +C dx x
=arcsin +C ⎰a 2-x 2
a
π
2
n
dx 2
⎰cos 2x =⎰sec xdx =tgx +C dx 2
=csc 2⎰sin x ⎰xdx =-ctgx +C
⎰sec x ⋅tgx dx =sec x +C
⎰csc x ⋅ctgxdx =-csc x +C
a x
⎰a dx =ln a +C
x
⎰shxdx =chx +C ⎰chxdx =shx +C ⎰
dx x 2±a 2
=ln(x +x 2±a 2) +C
π
2
I n =⎰sin xdx =⎰cos n xdx =
n -1
I n -2n
⎰⎰⎰
x 2a 22
x +a dx =x +a +ln(x +x 2+a 2) +C
22x 2a 2222
x -a dx =x -a -ln x +x 2-a 2+C
22x 2a 2x 222
a -x dx =a -x +arcsin +C
22a
2
2
三角函数的有理式积分:
2u 1-u 2x 2du
sin x =, cos x =, u =tg , dx =
21+u 21+u 21+u 2
(一)含有ax +b 的积分(a 1.
≠0)
d x 1
=⎰ax +b a ln ax +b +C
μ
(ax +b ) d x =⎰
2.
1
(ax +b ) μ+1+C (μ≠-1)
a (μ+1)
3.
x 1x =⎰ax +b a 2(ax +b -b ln ax +b ) +C
x 21⎡1⎤
x =3⎢(ax +b ) 2-2b (ax +b ) +b 2ln ax +b ⎥+C 4.⎰ax +b a ⎣2⎦
5.
d x 1ax +b
=-⎰x (ax +b ) b ln x +C
6.
⎰
d x 1a ax +b =-+ln +C
x 2(ax +b ) bx b 2x
7.
1b x
(lnax +b +) +C x =2⎰(ax +b ) 2
a ax +b
1b 2x 2
) +C 8.⎰x =3(ax +b -2b ln ax +b -2
a ax +b (ax +b )
9.
⎰
d x 11ax +b =-ln +C
22
x (ax +b ) b (ax +b ) b x
10
.
C
2
(3ax -2b C 11
.⎰
x =2
15a 2222(15a x -12abx +8b C x =12
.⎰
x 3
105a
x 13
.
2x =2(ax -2b C
3a
14
.
22222
(3a x -4abx +8b C x =3
15a ⎧15
.
=16
.
+C (b >0)
C (b
a -2b 17
.
x =b 18
.
a =x +
22
(三)含有x 19.
±a 2的积分
=
d x ⎰x 2+a 21x
arctan +C a a
20.
x 2n -3d x d x
+=⎰(x 2+a 2) n 2(n -1) a 2(x 2+a 2) n -12(n -1) a 2⎰(x 2+a 2) n -1
21.
⎰
d x 1x -a
=ln +C
x 2-a 22a x +a
2
(四)含有ax +b (a >0) 的积分
+C (b >0)
⎧d x 22.⎰
=ax 2+b 23.
+C (b
x 12
x ln ax +b +C =⎰ax 2+b 2a
⎰x 2
24.ax 2+b
x =x a -b d x a ⎰ax 2+b 25.
⎰
d x
1x (ax 2
+b ) =2b ln x 2ax 2+b
+C 26.
⎰d x
1a d x x 2(ax 2+b ) =-bx -b ⎰ax 2+b
27.⎰d x a ax 2+b 1
x 3(ax 2+b ) =2b 2ln x 2-2bx 2
+C
28.
⎰d x 1d x
(ax 2+b ) 2
=
x 2b (ax 2+b ) +2b ⎰ax 2+b
(五)含有ax 2
+bx +c (a >0) 的积分
d x +C 29.⎰
ax 2+bx +c =+C 30.
⎰x 1b d x ax 2+bx +c x =2a ln ax 2
+bx +c -2a ⎰ax 2+bx +c
(a >0) 的积分
31
.
=arsh
x
a
+
C 1=ln(x ++C 32
.
=
+C
33
.
x =+C
34
.
x =+C
(b 24ac )
35
.
a 2-ln(x ++C x =22
36
.
2x =+ln(x ++C
37
.
1+C a 38
.
=-+C 2a x 39
.
a 2+ln(x ++C x 2
x 3422(2x +5a a ln(x ++C =x
88+C 41
.⎰
x 40
.42
.
⎰
x
x a 422x =(2x +a ln(x ++C
88
43
.
a +C x a ln
x 44
.
x =+ln(x ++C
(a >0) 的积分
=
45
.
x x
arch +
C 1=ln x ++C x a
46
.
+C
47
.
x =C
48
.
2
x =+C
49
.
a 2+ln x ++C x 22x =50
.
+ln x +C
51
.
1a
arccos +C a x +C
52
.
=
53
.
a 2ln x +C x 2
x 3422(2x -5a a ln x ++C x =
88C 55
.⎰
x 54
.56
.
⎰
x
x a 422x =(2x -a ln x ++C
88
57
.
⎰
a x =a arccos +C
x =x -+ln x ++C
2
x x
58
.
(a >0) 的积分
=arcsin
59
.
x
+C a
60
.
+C
61
.
x =C
62
.
2
x =+C
63
.
a 2x arcsin +C x =2a 2x 64
.
-arcsin
x
+C a
65
.
1a +C ln
a x 66
.
=+C 67
.
a 2x arcsin +C x 2a
x 34x 22(5a -2x a arcsin +C x =
88a C 69
.⎰
x =68
.70
.
⎰
x
x a 4x 22x =(2x -a arcsin +C
88a
71
.
⎰
+C x a x
72
.
x
=x -arcsin +C
a
(a >0) 的积分 73
.
2ax +b ++C
74
.
x =
22ax +b ++C
75
.
x
2ax +b ++C
76
.
+C
77
.
2x =+C
x =+C
78
.
79
.
x =(x -b +(b -a +C
80
.
x =(x -b (b -a C C
(a
81
.
82
.
(b -a ) 2x C
4(a
(十一)含有三角函数的积分 83.
⎰sin x d x =-cos x +C
84.85.86.
⎰cos x d x =sin x +C ⎰tan x d x =-ln cos x +C ⎰cot x d x =ln sin x +C
πx
sec x d x =ln tan(+) +C =ln sec x +tan x +C ⎰42
87.
88.
⎰csc x d x =ln tan ⎰sec
2
x
+C =ln csc x -cot x +C 2
89.90.91.92.93.
x d x =tan x +C
2csc ⎰x d x =-cot x +C
⎰sec x tan x d x =sec x +C ⎰csc x cot x d x =-csc x +C
2
⎰sin x d x =
x 1
-sin 2x +C 24x 12
94.⎰cos x d x =+sin 2x +C
241n -1n -1n -2n
x cos x +sin x d x 95.⎰sin x d x =-sin
n n ⎰1n -1n -1n
x sin x +cos n -2x d x 96.⎰cos x d x =cos ⎰n n
d x 1cos x n -2d x
-⋅+97.⎰= n n -1n -2⎰sin x n -1sin x n -1sin x d x 1sin x n -2d x
⋅+98.⎰= n n -1n -2⎰cos x n -1cos x n -1cos x
1m -1m n
cos m -1x sin n +1x +cos m -2x sin n x d x 99.⎰cos x sin x d x =⎰m +n m +n 1n -1m n -2
cos m +1x sin n -1x +cos x sin x d x =-⎰m +n m +n
100.
⎰sin ax cos bx d x =-
11
cos(a +b ) x -cos(a -b ) x +C
2(a +b ) 2(a -b )
101.
⎰sin ax sin bx d x =-⎰cos ax cos bx d x =
d x ⎰
a +b sin x d x ⎰
a +b sin x
11
sin(a +b ) x +sin(a -b ) x +C
2(a +b ) 2(a -b )
102.
11
sin(a +b ) x +sin(a -b ) x +C
2(a +b ) 2(a -b )
a tan x
+b +C 103.(a 2>b 2)
104.+C
(a 2
105.
d x x
) +C ⎰
a +b cos x 2
(a 2>b 2)
d x 106.⎰
a +b cos x 107.
+C (a 2
d x 1b
arctan(tan x ) +C =⎰a 2cos 2x +b 2sin 2x ab a d x 1b tan x +a =ln ⎰a 2cos 2x -b 2sin 2x 2ab b tan x -a +C
108.
11sin ax -x cos ax +C a 2a 12222
110.⎰x sin ax d x =-x cos ax +2x sin ax +3cos ax +C
a a a 11
111.⎰x cos ax d x =2cos ax +x sin ax +C
a a 12222
112.⎰x cos ax d x =x sin ax +2x cos ax -3sin ax +C
a a a
(十二)含有反三角函数的积分(其中a >0)
x x 113.⎰
arcsin x =x arcsin +C
a a
109.
⎰x sin ax d x =
x x 2a 2x -)arcsin +C 114.⎰
x arcsin d x =(a 24a x x 3x 1arcsin +(x 2+2a 2C 115.⎰
x arcsin x =a 3a 92
116.x x arccos x x arccos -C =⎰
a a
x x 2a 2x -)arccos C 117.⎰
x arccos x =(a 24a x x 3x 1arccos -(x 2+2a 2C 118.⎰
x arccos d x =a 3a 92
x x a 22arctan d x x arctan -ln(a +x ) +C =⎰a a 2
x 12x a 2120.⎰x arctan d x =(a +x )arctan -x +C a 2a 2119.
x x 3x a 2a 3
arctan -x +ln(a 2+x 2) +C 121.⎰x arctan d x =a 3a 662
(十三)含有指数函数的积分
1x a +C ln a
1ax ax 123.⎰e d x =e +C a
1ax ax 124.⎰x e d x =2(ax -1)e +C a
1n ax n n -1ax n ax 125.⎰x e d x =x e -⎰x e d x a a 122.x a ⎰d x =
126.x ⎰xa d x =x x 1a -a x +C 2ln a (lna )
1n x n x a -x n -1a x d x ⎰ln a ln a
1ax ax e (a sin bx -b cos bx ) +C 128.⎰e sin bx d x =22a +b
1ax e ax (b sin bx +a cos bx ) +C 129.⎰e cos bx d x =22a +b 127.n x ⎰x a d x =
130.ax n ⎰e sin bx d x =1e ax sin n -1bx (a sin bx -nb cos bx ) 222a +b n
n (n -1) b 2ax n -2+2e sin bx d x a +b 2n 2⎰
1e ax cos n -1bx (a cos bx +nb sin bx ) 222a +b n 131.ax n ⎰e cos bx d x =
n (n -1) b 2ax +2e cos n -2bx d x 22⎰a +b n
(十四)含有对数函数的积分
132.
133.
134.
135.
136.⎰ln x d x =x ln x -x +C d x ⎰x ln x =ln ln x +C 1n +11x (lnx -) +C n +1n +1n -1n x ⎰ln x d x =n n (lnx ) d x =x (lnx ) -n ⎰(lnx ) d x ⎰m n ⎰x (lnx ) d x =1n x m +1(lnx ) n -x m (lnx ) n -1d x ⎰m +1m +1
(十五)含有双曲函数的积分
137.
138.
139.
140.⎰sh x d x =ch x +C ⎰ch x d x =sh x +C ⎰th x d x =ln ch x +C 2sh ⎰x d x =-x 1+sh2x +C 24
x 12141.⎰ch x d x =+sh2x +C 24
(十六)定积分
142.
143.⎰π-ππcos nx d x =⎰sin nx d x =0 -ππ⎰-πcos mx sin nx d x =0
144.⎧0, m ≠n cos mx cos nx d x = ⎨⎰-ππ, m =n ⎩π
145.⎧0, m ≠n = sin mx sin nx d x ⎨⎰-π⎩π, m =n π
ππ⎧0, m ≠n ⎪146.⎰sin mx sin nx d x =⎰cos mx cos nx d x =⎨π 00, m =n ⎪⎩2
147.
I n =⎰sin x d x =⎰cos n x d x n π20π20n -1I n -2 n n -1n -342I n =⋅⋅ ⋅⋅ (n 为大于1的正奇数),I 1=1 n n -253
n -1n -331ππI n =⋅⋅ ⋅⋅⋅(n 为正偶数),I 0= n n -24222I n =