Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.cos 33°
A. sin 57°
B. sec 57°
C. cos 123°
D. sin 33°
Answer: A
Mathematics
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Find the limit using 
= 1.
A. 4/5 B. 5/4 C. 0 D. Does not exist
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Graph the parabola or ellipse. Include the directrix that corresponds to the focus at the origin.r = 
A. 
B. 
C. 
D. 
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Add or subtract. Express the answer as a mixed number.
A. 6
B. 4
C. 5
D. 5
Mathematics
For the given functions f(x) and g(x), find (f ? g)(x) or 
(x) as indicated.f(x) = x2 + 8x + 12, g(x) = x + 6Find 
(x).
A. x2 + 2 B. x3 - 6 C. x + 2 D. x - 6
Mathematics