Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find sin 
.
A. 
B. - 
C. 
D. 
Answer: D
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Evaluate the integral.
dx
A. 
cot4 x sec x + C
B. - 
cot2 x - 
ln 
+ C
C. 
cot4 x + C
D. 
cot2 x + ln 
+ C
Evaluate the surface integral of the function g over the surface S.G(x, y, z) = x2y2z2; S is the surface of the rectangular prism formed from the planes x = ± 2, y = ± 3, and 
A. 36 B. 756 C. 2268 D. 1512
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. x + 8
D. 
Solve the problem.In his algebra class, Rob has scores of 79, 85, 81, and 65 on his first four tests. To get a grade of C, the average of the first five tests must be greater than or equal to 70 and less than 80. Solve an inequality to find the range of scores that Rob can earn on the fifth test to get a C.
What will be an ideal response?