Solve the equation for exact solutions over the interval [0, 2?).2 sin2x = sin x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Express in terms of i.
A. ±6
B. i
C. 6i
D. -6i
Mathematics
The following figure is composed of one large and three small semicircles. Find the shaded area enclosed by the four semicircles. Give the exact answer.
What will be an ideal response?
Mathematics
Determine whether the improper integral is convergent or divergent, and calculate its value if it is convergent.
Mathematics
Multiply.-3(-4)(-9)
A. -118 B. 108 C. -8 D. -108
Mathematics