# MA104_W15.xixx1880.Homework_1 - Jing Xi Assignment Homework...

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Jing Xi MA104 W15 Assignment Homework 1 due 01/15/2015 at 09:00pm EST 1. (1 pt) Evaluate the indefinite integral: Z sin ( 3 x ) 3 p cos ( 3 x ) dx = (1 pt) Evaluate the definite integral: Z π / 6 0 sin ( 2 x ) sin ( x ) dx = NOTE: Don’t forget the constant of integration. Answer(s) submitted: (-cosˆ(4/3)(3x))/4+C (correct) 2. (1 pt) Evaluate the indefinite integral. (1 pt) Evaluate the indefinite integral: 7. (1 pt) Evaluate the definite integral: Z π / 6 0 sin ( 2 x ) sin ( x ) dx = Answer(s) submitted: 1/12 (correct) 8. (1 pt) Evaluate the indefinite integral:
(correct) 3. (1 pt) Evaluate the definite integral: Z π / 2 sin 5 x cos 4 xdx = 0 Answer(s) submitted: 8/315 (correct) 4. (1 pt) Evaluate the definite integral: Z 9 3 sin 2 ( 6 x ) cos 2 ( 6 x ) dx = Answer(s) submitted: 5. (1 pt) Evaluate the indefinite integral:
Z 65 x 4 sec 4 ( x 5 ) dx = NOTE: Don’t forget the constant of integration. Answer(s) submitted:
6. (1 pt) Evaluate the definite integral: Answer(s) submitted:
1365/32 (correct)