In the problem, t is a real number and P = (x, y) is the point on the unit circle that corresponds to t. Find the exact value of the indicated trigonometric function of t.(- 
, 
)Find cot t.
A. - 
B. 
C. - 
D. 
Answer: A
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Find the surface area of the surface S.S is the portion of the surface 5x + 12z = 2 that lies above the rectangle 4 ? x ? 7 and 
in the 
A. 
B. 78
C. 
D. 
Factor the polynomial as the sum or difference of two cubes.64 - x3
A. (4 - x)(16 + x2) B. (4 - x)(16 + 4x + x2) C. (4 + x)(16 - x2) D. (4 + x)(16 - 4x + x2)
If 
with A in QIII
?
find 
.
?
A. 
B. 
C. 
D. 
E. 
Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?
A. 0.438 B. 0.487 C. 0.91 D. 0.856