Use the basic trigonometric identities and the given information to find the exact values of the remaining trigonometric functions.csc ? = - 
and 180° < ? < 270°
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: B
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Provide an appropriate response.Poaching is causing a population of elephants to decline by 5% per year. Use the approximate half-life formula to determine the fraction that remains in 59 years if there are 8661 elephants today.
A. 18,250 elephants B. 4829 elephants C. 467 elephants D. 8243 elephants
The given function is one-to-one. Find f-1(x).f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Graph the ellipse and locate the foci.
+ 
= 1
A. foci at (0, 
) and (0, -
)
B. foci at (5, 0) and (-5, 0)
C. foci at (4, 0) and (-4, 0)
D. foci at (
, 0) and (-
, 0)
Draw a sketch to represent the vector. Refer to the vectors pictured here. 
d - a
A. 
B. 