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333 BÀI TOÁN TÍCH PHÂN LUYỆN THI ĐẠI HỌC
➤TÍNH :
4/I =
3
2
4
3tg xdx
π
π
∫
5/I =
4
2
6
(2cotg x 5)dx
π
π
+
∫
6/I =
2
0
1 cosx
dx
1 cosx
π
−
+
∫
7/ I =
∫
2
0
π
sin
2
x.cos
2
xdx
8/I =
∫
3
0
π
(2cos
2
x-3sin
2
x)dx
9 / I =
2
2
s i n ( x )
4
d x
s i n ( x )
4
π
− π
π
−
π
+
∫
10 / I =
∫
−
3
6
π
π
(tgx-cotgx)
2
dx
11/ I =
4
4
0
cos xdx
π
∫
12 / I =
2
3
0
sin xdx
π
∫
13*/ I =
3
3
2
3
sin x sin x
cotgxdx
sin x
π
π
−
∫
14/I =
2
4
0
sin xdx
π
∫
15/I =
∫
3
4
22
2
cos
2
sin
1
π
π
xx
dx
16/I =
∫
4
6
π
π
cotg2x dx
17/ I =
2
2
sin x
4
e sin 2x dx
π
π
∫
18/ I =
∫
+
4
0
2
2
cos
π
x
e
tgx
19/ I =
∫
2
4
4
sin
1
π
π
x
dx
20/ I =
∫
4
0
6
cos
1
π
x
dx
21/I =
dxxxnsix )cos(2cos
44
2
0
+
∫
π
22/ I =
2
3
0
cos xdx
π
∫
23/ I =
3
2
0
4sin x
dx
1 cosx
π
+
∫
.
24/ I =
1
3 2
0
x 1 x dx
−
∫
25/I =
1
5 2
0
x 1 x dx
+
∫
26/I =
1
0
x
dx
2x 1
+
∫
27/I =
1
x
0
1
dx
e 4
+
∫
28/I =
2
x
1
1
dx
1 e
−
−
∫
29/I =
2x
2
x
0
e
dx
e 1
+
∫
30/I =
x
1
x
0
e
dx
e 1
−
−
+
∫
31/I =
e
2
1
ln x
dx
x(ln x 1)
+
∫
32/I =
7
3
3
0
x 1
dx
3x 1
+
+
∫
33/I =
2
3
2
0
(x 3) x 6x 8dx
− − +
∫
.
49/I =
e
1
sin(ln x)
dx
x
∫
50/I =
1
3 4 5
0
x (x 1) dx
−
∫
51/I =
1
2 3
0
(1 2x)(1 3x 3x ) dx
+ + +
∫
52/I =
2
3
1
1
dx
x 1 x
+
∫
53/I =
3
2 2
6
tg x cotg x 2dx
π
π
+ −
∫
54/I =
1
2 3
0
(1 x ) dx
−
∫
34/I =
1
2 2
3
1
dx
x 4 x
−
∫
35/I =
4
2
2
1
dx
x 16 x
−
∫
36*/I =
6
2
2 3
1
dx
x x 9
−
∫
37/I =
2
2 2
1
x 4 x dx
−
−
∫
38/I =
2
2 3
0
x (x 4) dx
+
∫
39/I =
2
4
4 3
3
x 4
dx
x
−
∫
40*/I =
2
2
2
2
x 1
dx
x x 1
−
−
+
+
∫
41/I =
ln 2
x
0
e 1dx
−
∫
42/I =
1
0
1
dx
3 2x
−
∫
43/I =
2
5
0
sin xdx
π
∫
44*/I =
3
0
1
dx
cosx
π
∫
45/I =
2x
1
x
0
e
dx
e 1
−
−
+
∫
46/I =
ln3
x
0
1
dx
e 1
+
∫
47/I =
4
2
6
1
dx
sin x cotgx
π
π
∫
48/I =
3
2
e
1
ln x 2 ln x
dx
x
+
∫
.
55*/I =
1
2x
0
1
dx
e 3
+
∫
56/I =
x
ln3
x 3
0
e
dx
(e 1)+
∫
57/I =
0
2x
3
1
x(e x 1)dx
−
+ +
∫
58/I =
2
6
3 5
0
1 cos x sin x.cos xdx
π
−
∫
59*/I =
2 3
2
5
1
dx
x x 4
+
∫
60/I =
4
0
x
dx
1 cos2x
π
+
∫
61/I =
2x
ln5
x
ln 2
e
dx
e 1
−
∫
62/I =
2
e
1
x 1
.ln xdx
x
+
∫
63/I =
2
1
0
x
dx
(x 1) x 1
+ +
∫
79/I =
e
1
1 3ln x ln x
dx
x
+
∫
80/I =
3
2
2
ln(x x)dx
−
∫
81/I =
e
2
1
(lnx) dx
∫
82/I =
2
e
e
ln x
dx
x
∫
83/I =
2
e
1
ln x
dx
ln x
∫
84/I =
2
2
1
xln(x 1)dx
+
∫
64/I =
2
0
sin x.sin2x.sin3xdx
π
∫
65/I =
2
4 4
0
cos2x(sin x cos x)dx
π
+
∫
66*/I =
2
3 3
0
( cosx sin x)dx
π
−
∫
67/I =
7
3
8 4
2
x
dx
1 x 2x+ −
∫
68*/I =
2
0
4cosx 3sin x 1
dx
4sinx 3cosx 5
π
− +
+ +
∫
69/I =
9
3
1
x. 1 xdx
−
∫
70/I =
2
3
0
x 1
dx
3x 2
+
+
∫
71*/I =
6
0
x
sin dx
2
π
∫
72*/I =
2
0
x
dx
2 x 2 x
+ + −
∫
73/I =
3
3 2
0
x . 1 x dx
+
∫
74**/I =
1
2
0
ln(1 x)
dx
x 1
+
+
∫
75/I =
2
0
sin x
dx
sin x cosx
π
+
∫
76/I =
e
1
cos(ln x)dx
π
∫
77*/I =
2
2
0
4 x dx
+
∫
78/I =
2
1
x
dx
1 x 1
+ −
∫
.
85/I =
3
2
3
1
dx
x 3
+
∫
86/I =
1
2
0
1
dx
4 x
−
∫
87/I =
2
4
0
sin xdx
π
∫
88/I =
3
2
6
ln(sin x)
dx
cos x
π
π
∫
89/I =
2
1
cos(ln x)dx
∫
90*/I =
2
2
0
ln( 1 x x)dx
+ −
∫
91*/I =
3
2
2
1
dx
x 1
−
∫
92/I =
3
8
1
x 1
dx
x
+
∫
93/I =
3
3
2
1
x
dx
x 16
−
∫
.
109/I =
6
2
0
x.sin xcos xdx
π
∫
110*/I =
2 x
1
2
0
x e
dx
(x 2)+
∫
111/I =
2x 2
0
e sin xdx
π
∫
112/I =
2
2
1
1
x ln(1 )dx
x
+
∫
113/I =
e
2
1
e
lnx
dx
(x 1)+
∫
94/I =
6
2
0
cosx
dx
6 5sin x sin x
π
− +
∫
95*/I =
2
e
2
e
1 1
( )dx
ln x
ln x
−
∫
96/I =
3
2
4
x 4 dx
−
−
∫
97/I =
2
3 2
1
x 2x x 2 dx
−
− − +
∫
98/I =
3
4
4
cos2x 1dx
π
π
+
∫
99/I =
0
cosx sin xdx
π
∫
100/I =
2
0
1 sin xdx
π
+
∫
101/I =
3
4
4
sin2x dx
π
π
∫
102/I =
0
1 sin xdx
π
−
∫
103/I =
1
3
2
1
ln(x x 1) dx
−
+ +
∫
104*/I =
2
0
xsin x
dx
1 cos x
π
+
∫
105*/I =
1
2 x
1
1
dx
(x 1)(4 1)
−
+ +
∫
106*/I =
4
1
x
1
x
dx
1 2
−
+
∫
107/I =
2
4
0
xsin xdx
π
∫
108/I =
2
4
0
xcos xdx
π
∫
114/I =
1
2
0
1 x
x.ln dx
1 x
+
−
∫
115/I =
2
t
1
lnx
dx I 2
x
⇒
<
∫
116/I =
3
0
sin x.ln(cosx)dx
π
∫
117/I =
2
e
2
1
cos (ln x)dx
π
∫
118/I =
4
0
1
dx
cosx
π
∫
119*/I =
4
3
0
1
dx
cos x
π
∫
120/I =
2
1
3 x
0
x e dx
∫
121/I =
2
2
sin x 3
0
e .sin xcos xdx
π
∫
122/I =
2
4
0
sin 2x
dx
1 cos x
π
+
∫
137/I =
3
4
2 2 5
0
sin x
dx
(tg x 1) .cos x
π
+
∫
138/I =
3
2 2
3
1
dx
sin x 9cos x
π
π
−
+
∫
139/I =
2
2
cosx 1
dx
cosx 2
π
π
−
−
+
∫
140/I =
2
0
1 sin x
dx
1 3cosx
π
+
+
∫
123/I =
1
2
0
3
dx
x 4x 5
− −
∫
124/I =
2
2
1
5
dx
x 6x 9
− +
∫
125/I =
1
2
5
1
dx
2x 8x 26
−
+ +
∫
126/I =
1
0
2x 9
dx
x 3
+
+
∫
127/I =
4
2
1
1
dx
x (x 1)
+
∫
128*/I =
0
2
2
sin 2x
dx
(2 sin x)
−π
+
∫
129/I =
1
2
0
x 3
dx
(x 1)(x 3x 2)
−
+ + +
∫
130/I =
1
3
0
4x
dx
(x 1)
+
∫
131/I =
1
4 2
0
1
dx
(x 4x 3)
+ +
∫
132/I =
3
3
2
0
sin x
dx
(sin x 3)
π
+
∫
133/I =
3
3
6
4sin x
dx
1 cosx
π
π
−
∫
134/I =
3
2
6
1
dx
cosx.sin x
π
π
∫
135/I =
3
0
sin x.tgxdx
π
∫
136/I =
3
4
1
dx
sin 2x
π
π
∫
.
141/I =
2
0
cosx
dx
sin x cosx 1
π
+ +
∫
142/I =
4
2
1
1
dx
x (x 1)
+
∫
143/I =
1
3
3
1
dx
x 4 (x 4)
−
+ + +
∫
144/I =
3
3
0
sin x
dx
cosx
π
∫
145/I =
1
0
x 1 xdx
−
∫
146/I =
6
4
x 4 1
. dx
x 2 x 2
−
+ +
∫
147/I =
0
2
1
1
dx
x 2x 9
−
+ +
∫
148/I =
3
2
1
1
dx
4x x
−
∫
149/I =
2
2
1
4x x 5dx
−
− +
∫
150/I =
2
2
2
2x 5
dx
x 4x 13
−
−
+ +
∫
151/I =
1
x
0
1
dx
3 e
+
∫
167/I =
2x 2
0
e sin xdx
π
∫
168/I =
2 x
1
2
0
x e
dx
(x 2)+
∫
169/I =
e
1
(1 x)ln xdx
+
∫
170/I =
e
2
1
xln xdx
∫
171/I =
1
e
2
1
ln xdx
∫
152/I =
1
4x 2x
2
2x
0
3e e
dx
1 e
+
+
∫
153/I =
4
2
7
1
dx
x 9 x
+
∫
154/I =
2
x 2
0
e sin xdx
π
∫
155/I =
4
2
4 4
0
cos x
dx
cos x sin x
π
+
∫
156/I =
1
0
3
dx
x 9 x
+ −
∫
157/I =
0
xsin xdx
π
∫
158/I =
2 2
0
x cos xdx
π
∫
159/I =
1
0
cos x dx
∫
160/I =
1
0
sin x dx
∫
161/I =
2
4
0
xsin x dx
π
∫
162/I =
2
4
0
xcos x dx
π
∫
163/I =
2
0
xcos xsin xdx
π
∫
164/I =
6
2
0
xcos xsin xdx
π
∫
165/I =
4
x
1
e dx
∫
166/I =
4
3x
0
e sin4xdx
π
∫
172/I =
e
1
x(2 ln x)dx
−
∫
173/I =
2
e
2
e
1 1
( )dx
ln x
ln x
−
∫
174/I =
2
2
1
(x x)ln xdx
+
∫
175/I =
2
2
1
1
x ln(1 )dx
x
+
∫
176/I =
2
5
1
ln x
dx
x
∫
177/I =
e
2
1
e
lnx
dx
(x 1)
+
∫
178/I =
1
2
0
1 x
xln dx
1 x
+
−
∫
179/I =
2
3
cosx.ln(1 cosx)dx
π
π
−
∫
180/
2
2
sin x 3
0
e sin xcos xdx
π
∫
181/I=
2
4
0
sin 2x
dx
1 sin x
π
+
∫
.
197/I =
2
2
1
x 1
( ) dx
x 2
−
−
+
∫
198/I =
4
2
0
x.tg xdx
π
∫
199/I =
5
3
( x 2 x 2)dx
−
+ − −
∫
200/I =
4
1
2
dx
x 5 4
−
+ +
∫
201/I =
2
1
x
dx
x 2 2 x
+ + −
∫
182/I =
2
4
0
sin2x
dx
1 cos x
π
+
∫
183/I =
2
2
1
5
dx
x 6x 9
− +
∫
184/I =
2
1
0
x 3x 2
dx
x 3
+ +
+
∫
185/I =
4
2
1
1
dx
x (x 1)
+
∫
186/I =
1
2
0
ln(1 x)
dx
x 1
+
+
∫
187/I
4
1
6
0
1 x
dx
1 x
+
+
∫
188/I =
1
15 8
0
x 1 x dx
+
∫
189/I =
x
1
x x
0
e
dx
e e
−
+
∫
190/I=
e
1
e
lnx dx
∫
191/I =
2
sin x
0
(e cosx)cosxdx
π
+
∫
192/I =
2
0
sin 2x.cosx
dx
1 cosx
π
+
∫
193/I =
2
0
sin 2x sin x
dx
1 3cosx
π
+
+
∫
194/I =
2
4
0
1 2sin x
dx
1 sin 2x
π
−
+
∫
195/I =
5 3
3
2
0
x 2x
dx
x 1
+
+
∫
196/I =
3
2
4
tgx
dx
cosx 1 cos x
π
π
+
∫
202/I =
2
2
1
ln(1 x)
dx
x
+
∫
203/I =
2
0
sin 2x
dx
1 cosx
π
+
∫
204/I =
2008
2
2008 2008
0
sin x
dx
sin x cos x
π
+
∫
205/I =
2
0
sin x.ln(1 cosx)dx
π
+
∫
206/I =
2
3
2
1
x 1
dx
x
+
∫
207/I =
3
4
2
0
sin x
dx
cos x
π
∫
208/I =
2
2
0
cos x.cos4xdx
π
∫
209/I =
1
2x x
0
1
dx
e e
+
∫
210/I =
e
2
1
e
lnx
dx
(x 1)
+
∫
211/I =
1
0
1
dx
x 1 x
+ +
∫
227/I =
2
6
1 sin 2x cos2x
dx
cosx sin x
π
π
+ +
+
∫
228/I =
x 2
1
2x
0
(1 e )
dx
1 e
+
+
∫
229/I =
3
2 3
0
x (1 x) dx
−
∫
230/I =
3
2
2
0
sin x.cos x
dx
cos x 1
π
+
∫
212/I =
2
1
2
0
x
dx
4 x
−
∫
213/I =
1
2
0
x
dx
4 x
−
∫
214/I =
1
4
2
2
0
x
dx
x 1
−
∫
215/I =
2
0
sin3x
dx
cosx 1
π
+
∫
216/I =
2
2
2
2
0
x
dx
1 x
−
∫
217/I =
2
2
4
1
1 x
dx
1 x
−
+
∫
218/I =
3
7
3
2
0
x
dx
1 x
+
∫
219/I =
x
ln 2
x
0
1 e
dx
1 e
−
+
∫
220/I =
1
0
x 1 x dx
−
∫
221/I =
1
2
0
x 1dx
+
∫
222/I =
2
3 3
0
(cos x sin x)dx
π
+
∫
223/I =
2
3
0
x 1
dx
x 1
+
+
∫
224/I =
1
2 2x
0
(1 x) .e dx
+
∫
225/I =
2
2
0
cosx
dx
cos x 1
π
+
∫
226/I =
7
3
3
0
x 1
dx
3x 1
+
+
∫
.
231/I =
1
2
2
0
4x 1
dx
x 3x 2
−
− +
∫
232*/I =
2
0
xsinx.cos xdx
π
∫
233/I =
2
0
cosx
dx
cos2x 7
π
+
∫
234/I =
4
2
1
1
dx
x (x 1)
+
∫
235/I =
2
2 3
0
sin 2x(1 sin x) dx
π
+
∫
236/I =
2
3
0
x 1
dx
3x 2
+
+
∫
237/I =
4
2
7
1
dx
x x 9
+
∫
238/I =
3 4
0
xsin xcos xdx
π
∫
239/I =
2
3
2
cosx cosx cos xdx
π
π
−
−
∫
240*/I =
1
2
1
ln( x a x)dx
−
+ +
∫
241/I =
2
x
0
1 sin x
dx
(1 cosx)e
π
−
+
∫
255/I =
2
3
2
cosx cosx cos xdx
π
π
−
−
∫
256/I =
3
4
4
tg xdx
π
π
∫
257*/I =
2
x
0
1 sin x
e dx
1 cosx
π
+
+
∫
242/I =
2
0
sin 2x sin x
dx
cos3x 1
π
+
+
∫
243/I =
4
2 2
0
sin2x
dx
sin x 2cos x
π
+
∫
244/I =
2
3
2
2
0
x
dx
1 x
−
∫
245/I =
2
3
2
2
0
x
dx
1 x
−
∫
246/I =
2
1
2
2
2
1 x
dx
x
−
∫
247/I =
2
1
2
0
x
dx
4 x
−
∫
248/I =
2
2
2
3
1
dx
x x 1
−
∫
249/I =
1
5 3 6
0
x (1 x ) dx
−
∫
250/I =
2
0
sin x
dx
1 sin x
π
+
∫
251/I =
2
0
cosx
dx
7 cos2x
π
+
∫
252/I =
4
2
1
1
dx
(1 x)x+
∫
253/I =
2
3
0
x 1
dx
3x 2
+
+
∫
254*/I =
3
4
cosx sin x
dx
3 sin 2x
π
π
+
+
∫
.
258/I =
1
2 3
0
(1 x ) dx
−
∫
259/I =
4
2
0
x.tg xdx
π
∫
260/I=
2
2 2
0
1
dx
(4 x )+
∫
261/I =
2
1
3
0
3x
dx
x 2
+
∫
262*/I =
5
2
5
1
1 x
dx
x(1 x )
−
+
∫
263/I =
3
2
0
cosx
dx
1 sin x
π
−
∫
264/I =
2
3
6
0
sin x
dx
cos x
π
∫
265/I =
3
6
0
sin x sin x
dx
cos2x
π
+
∫
265/I =
2
3
1
dx
sin x 1 cosx
π
π
+
∫
266/I =
3
6 2
1
1
dx
x (1 x )
+
∫
.
281*/I =
2
1
2
0
xln(x 1 x )
dx
1 x
+ +
+
∫
282/I =
4
2
1
(x 1) ln xdx
−
∫
283/I =
3
2
0
x ln(x 1)dx
+
∫
284/I =
3
2
2
1
3x
dx
x 2x 1
+ +
∫
267/I =
2
2
0
sin x
dx
cos x 3
π
+
∫
268/I =
2
0
sin x
dx
x
π
∫
269/I =
2
2
0
sin xcosx(1 cosx) dx
π
+
∫
270/I =
4 4
4
0
sin x cos x
dx
sin x cosx 1
π
−
+ +
∫
271/I =
4 4
4
0
sin x cos x
dx
sin x cosx 1
π
−
+ +
∫
272/I =
2
0
sin xcosx cosx
dx
sin x 2
π
+
+
∫
273/I =
1
1
x
3
a
e
dx
x
∫
274/I =
3 2
1
2
0
x 2x 10x 1
dx
x 2x 9
+ + +
+ +
∫
275/I =
3
1
2 3
0
x
dx
(x 1)+
∫
276/I =
1
3
0
3
dx
x 1
+
∫
277*/I =
4
1
6
0
x 1
dx
x 1
+
+
∫
278/I =
1
3
0
x
dx
(2x 1)+
∫
279/I =
7
2
1
dx
2 x 1
+ +
∫
280/I =
3
2
2
1
2
1
dx
x 1 x−
∫
.
285/I =
1
3 2
0
4x 1
dx
x 2x x 2
−
+ + +
∫
286/I =
1
2
2
1
2
1
dx
(3 2x) 5 12x 4x
−
+ + +
∫
287/I =
1
0
1
dx
x 1 x
+ +
∫
288/I =
2
0
cosx
dx
2 cos2x
π
+
∫
289/I =
2
4
cosx sin x
dx
3 sin 2x
π
π
+
+
∫
290/I =
2
3 3
0
(cos x sin x)dx
π
+
∫
291/I =
2
5 4
0
cos xsin xdx
π
∫
292/I =
2
4 4
0
cos2x(sin x cos x)dx
π
+
∫
293/I =
2
0
1
dx
2 sin x
π
+
∫
294/I =
2
0
1
dx
2 cosx
π
−
∫
308*/I =
1
2x
1
1
dx
3 e
−
+
∫
309*/I =
2
x
sin x
dx
3 1
π
−π
+
∫
310*/I =
2
0
sin x
dx
cosx sin x
π
+
∫
295/I =
2
2
2
3
1
dx
x x 1
−
∫
296/I =
3
7
3
2
0
x
dx
1 x
+
∫
297*/I =
2
3
1
1
dx
x 1 x
+
∫
298/I =
3
1
2
0
x
dx
x 1 x
+ +
∫
299/I =
1
2
1
1
dx
1 x 1 x
−
+ + +
∫
300/I =
3
4
6
1
dx
sin xcosx
π
π
∫
301/I =
2
0
cosx
dx
cosx 1
π
+
∫
302/I =
2
0
cosx
dx
2 cosx
π
−
∫
303/I =
2
0
sin x
dx
sin x 2
π
+
∫
304/I =
3
2
0
cos x
dx
cosx 1
π
+
∫
305/I =
2
0
1
dx
2cosx sin x 3
π
+ +
∫
306/I =
2
2
3
cosx
dx
(1 cosx)
π
π
−
∫
307/I =
4
3
0
tg x dx
π
∫
311/I =
4
2
4 4
0
sin x
dx
cos x sin x
π
+
∫
312*/I =
2
2
0
tgx
dx
1 ln (cosx)
π
−
∫
313*/I =
2
0
sin x
dx
cosx sin x
π
+
∫
314*/I =
1
x 2
1
1
dx
(e 1)(x 1)
−
+ +
∫
315*/I =
1
3x 1
0
e dx
+
∫
316*/I =
2
1
2
0
x
dx
x 4
+
∫
317*/I =
3
2
4 2
0
cos x
dx
cos 3cos x 3
π
− +
∫
318*/Tìm x> 0 sao cho
2 t
x
2
0
t e
dt 1
(t 2)
=
+
∫
319*/I =
3
2
4
tan x
dx
cosx cos x 1
π
π
+
∫
320*/I =
1
2
0
3x 6x 1dx
− + +
∫
321*/I =
4
5
0
tg x dx
π
∫
322/I =
4
3
6
cotg x dx
π
π
∫
323/I =
3
4
4
tg x dx
π
π
∫
324*/I =
4
0
1
dx
2 tgx
π
+
∫
325/I =
5
2
0
sin x
dx
cosx 1
π
+
∫
326/I =
3
2
6
cos2x
dx
1 cos 2x
π
π
−
∫
327*/I =
4
2
0
tgx 1
( ) dx
tgx 1
π
−
+
∫
328*/I =
1
3
1
2
x
dx
x 1
+
∫
329*/I =
3
3
2
4
1
x x
dx
x
−
∫
330/I =
x
ln3
x x
0
e
dx
(e 1) e 1
+ −
∫
331/I =
1
4
e
2
1
e
1
dx
xcos (ln x 1)
π
−
+
∫
333*/I =
4
0
ln(1 tgx)dx
π
+
∫
334/
∫
=
4
6
7
2sin
tan
π
π
dx
x
x
I
335/
∫
+++
=
63
0
3
11 xx
dx
I
336/
∫
−
=
3
3
ln
1ln2
e
e
dx
x
x
I
337/
(
)
∫
=
2
2012
lnln
2012e
e
dx
x
xx
I
338/
∫
+++
=
4
0
121 xx
dx
I
339/
∫
+
−+
=
2
0
sincos
cossincos
π
dx
xex
xexx
I
x
x
.
340/
( )
∫
++
++=
1
0
12
2
12 dxexxI
xx
341/
( )
∫
+−
+−=
1
0
222
2
1 dxexxxI
xx
342/
∫
−
=
π
π
0
2
42
cos
4sin
dx
x
x
I
343/
( )
∫
−
+−=
3
1
2013
23
23 dxxxI
344/
(
)
( )
∫
+−
+−
=
1
0
2
2
2
32
54
dx
xx
exx
I
x
345/
dxxxI
∫
=
4
0
4
tan
π
