Use the given information to find the exact value of the trigonometric expression.cos 2? = - 
; 
< 2? < ?
Find sin ?.
A. 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Find all horizontal asymptotes of the given function, if any. f(x) = 
A. y = 0 B. y = -49 C. no horizontal asymptotes D. y = -1, y = 1
Mathematics
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
- 
)2
A. 18 - 2
B. 77 - 2
C. -4 - 2
D. 18 + 2
Mathematics
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log2 34 - log2 17
A. 17 B. 1 C. 2 D. 34
Mathematics
Find the vertices and foci of the ellipse. Graph the ellipse.
+ 
= 1
A. 
Foci at (-
, 0) and (
, 0)
Vertices at (0, -6), (0, 6)
B. 
Foci at (0, - 
) and (0, 
)
Vertices at (0, -6), (0, 6)
C. 
Foci at (- 
, 0) and (
, 0)
Vertices at (-6, 0), (6, 0)
D. 
Foci at (0, -6) and (0, 6)
Vertices at (0, -36), (0, 36)
Mathematics