Factor the trigonometric expression.16 csc2? + 24 csc ? + 9
A. (4 csc ? - 3)2
B. (4 csc ? + 3)2
C. (16 csc ? + 1)(csc ? + 9)
D. (4 csc2? + 3)(4? - 3)
Answer: B
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Find Dxy.y = (1 - 3x) coth-1 
A. 
- 3 tanh-1 
B. - 
x
C. 
- 3 coth-1 
D. (1 - 3x) coth-1 
Determine convergence or divergence of the alternating series.
A. Converges B. Diverges
Solve the application and answer with a complete sentence.In a right triangle, the measure of the middle angle is 28° more than the measure of the smallest angle. What is the measure of the smallest angle?
A. The measure of the smallest angle is 62°. B. The measure of the smallest angle is 76°. C. The measure of the smallest angle is 31°. D. The measure of the smallest angle is 17°.
Find the length and direction (when defined) of u × v.u = 2i + 2j - k, v = -i + k
A. 9; 
i - j - 
k
B. 3; -
i + j - 
k
C. 3; 
i - j + 
k
D. 9; 
i - j + 
k