Find the exact value of the expression.tan 
A. 2 + 
B. -2 - 
C. 
D. 
Answer: B
Mathematics
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Find the derivative of y with respect to the appropriate variable.y = sinh-1 (cos x)
A. 
B. 
C. 
D. - sin x
Mathematics
There is one negative solution of
. Find it. Round your answer to two decimal places if necessary.
?
A. 0.42 B. -1 C. -2.94 D. -1.95
Mathematics
Determine if the series converges or diverges; if the series converges, find its sum.
A. Converges; 
B. Converges; 
C. Converges; 
D. Diverges
Mathematics
Use the general multiplication rule to find the indicated probability.Two cards are selected without replacement from a standard deck of 52 cards. What is the probability that both cards are the same color (i.e., either both black or both red)?
A. 0.490 B. 0.500 C. 0.245 D. 0.250
Mathematics