Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 tan t, y = 4 cot t
A. y = 
B. y = 
sin x
C. y = 
cos x
D. y = 
Answer: A
Mathematics
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Use the Comparison Test to determine whether the improper integral converges or diverges.
A. converges B. diverges
Mathematics
Use the given information to find the exact value of the trigonometric function.cos ? = - 
, sin ? > 0
Find cos 
.
A. 
B. 
C. - 
D. - 
Mathematics
Solve the equation. Express radicals in simplest form.8x2 - 56 = 0
A. 7
B. ±7
C. 8
D. ±
Mathematics
Graph the function. Use the graph to find any relative maxima or minima.f(x) = x2 - 3
A. Relative minimum of -3 at x = 0 B. Relative minimum of -3 at x = 1 C. Relative maximum of -3 at x = 0 D. No relative extrema
Mathematics