Find the exact value of the expression.tan 
A. 2 - 
B. 
- 2
C. -2 - 
D. 2 + 
Answer: A
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Solve the problem.Given the approximation cos 23° ? 0.92, use trigonometric identities to find the approximate value of sin 
If necessary, round the answer to two decimal places.
A. 0.39 B. 0.92 C. 0.42 D. 1.09
Consider the sets X and Y. Write the statement in symbols.
?
The complement of the union of X and Y.
?
Enter 
to represent 
.
What will be an ideal response?
Use the given zero to find the remaining zeros of the function.f(x) = x3 - 2x2 - 11x + 52; zero: -4
A. 1 + 2i, 1 - 2i
B. 6 + 4i, 6 - 4i
C. 1 + 2
i, 1 - 2
i
D. 3 + 2i, 3 - 2i
Indicate whether the graph of the equation is a circle, an ellipse, a hyperbola, or a parabola. Then graph the conic section.(x - 2)2 + (y + 1)2 = 16
A. circle
B. hyperbola
C. ellipse
D. parabola