Evaluate the integral using the given substitution.
, u = cot 7?
A. - 
tan2 7? + C
B. - 
cot2 7? + C
C. 
cot2 ? + C
D. 
csc3 7? cot2 7? + C
Answer: B
You might also like to view...
The graph shows that the cost of the average college mathematics textbook has been rising steadily since 1990.
a. What is the y-intercept?b. What is the slope?c. What is the equation of this line, in slope-intercept form?d. Predict the cost of an average college mathematics textbook in 2016.
What will be an ideal response?
Multiply.(-6)(10)
A. -600 B. -160 C. -70 D. -60
Factor the polynomial completely.12x2 + 25x + 12
A. prime B. (3x - 4)(4x - 3) C. (12x + 4)(x + 3) D. (3x + 4)(4x + 3)
Find the solution or solutions, if any exist, to the system.
A. x = 0, y = 0, z = 1
B. inconsistent system, no solution
C. infinitely many solutions of the form x = 8 - 
z, y = 1 - 
z, z = z
D. infinitely many solutions of the form x = - 
- 
z, y = - 
+ 
z, z =z