Find the exact value by using a half-angle identity.tan 
A. -1 + 
B. 1 - 
C. -1 - 
D. 1 + 
Answer: B
Mathematics
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Use the Root Test to determine if the series converges or diverges.
A. Diverges B. Converges
Mathematics
Solve the problem.Estimate the area of the surface generated by revolving the curve y = cos 2x, 0 ? x ? ?/4 about the x-axis.Use the Trapezoidal Rule with n = 6.
A. 4.606 B. 5.108 C. 7.091 D. 4.652
Mathematics
Find the probability of the event.If 8 coins are flipped, what is the probability of getting 3 or more heads?
A. 
B. 
C. 
D. 
Mathematics
Add or subtract.-955.52 - 28.62
A. 984.14 B. -984.14 C. -926.9 D. -869.66
Mathematics