Solve the equation on the interval 0 ? ? < 2?.cos2 ? - 1 = 0
A. 
B. {0, ?}
C. 
D. {0}
Answer: B
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Find an antiderivative of the given function.- 
csc2 
A. - 
cot 
B. - 
csc 2 
cot 
C. -4 cot 
D. 4 cot 
Solve the problem.A survey is taken to determine if Social Security should be privatized. Eight hundred players in a national bridge tournament are randomly surveyed. The survey found strong opposition to the concept of privatization. This conclusion might be invalid because
A. the size of the sample is too small. B. of the placebo effect. C. the sample is not representative of the population. D. there was no control group. E. none of these
Determine if the sequence is decreasing or nondecreasing and if it is bounded or unbounded from above.an = ln
A. Decreasing; unbounded B. Nondecreasing; bounded C. Nondecreasing; unbounded D. Decreasing; bounded
Represent the radical as a radical with a smaller root index. Assume any variables represent nonnegative values.
A. 
B. 
C. 
D. 