Find the exact values of the remaining trigonometric functions of ? from the given information.sec ? = - 
, ? ? ? < 
A. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
B. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = - 
cot ? = - 
C. sin ? = - 
cos ? = - 
tan ? = - 
csc ? = - 
sec ? = - 
cot ? = - 
D. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
Answer: D
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Solve the problem.Doctors predict that by administering a vaccine, the number of new cases of a certain childhood disease will decrease by half each year. If 400 people were afflicted with the disease in 2000, estimate the number of new cases in 2005. (Round to the nearest whole number.)
A. 25 new cases in 2005 B. 50 new cases in 2005 C. 13 new cases in 2005 D. 6 new cases in 2005
Write the exponential equation 
in logarithmic form.
a. 
b. 
c. 
d. 
e. 
Express the product as a sum containing only sines or cosines.-2 sin(5?) sin ?
A. cos(6?) + cos(4?) B. cos(6?) - cos(4?) C. cos(7?) - cos(3?) D. cos(7?) + cos(3?)
Find all of the real zeros of the function. Give exact values whenever possible. Identify each zero as rational or irrational.f(x) = 6x3 + 25x2 + 12x - 7
A. - 
(rational), - 
(rational), 
(rational)
B. 
(rational) (multiplicity 2); - 
(rational)
C. - 1 (rational), 
(rational), 
(rational)
D. - 1 (rational), - 
(rational), 
(rational)