Find the exact value of the trigonometric function.cot 
A. - 
B. - 
C. 
D. 
Answer: C
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Use Euler's method with the specified step size to approximate the solution.Use Euler's method with h = 0.2 to estimate y(1) if y' = x2 + y and y(0) = 8. Round your answer to four decimal places.
A. y(1) ? 29.1103 B. y(1) ? 16.7107 C. y(1) ? 13.8697 D. y(1) ? 20.1809
Evaluate the surface integral of G over the surface S.S is the plane x + y + z = 4 above the rectangle 0 ? x? 1 and 0 ? y ? 3; G(x,y,z) = 2z
A. 12
B. -18
C. 30
D. 18
If r is a positive number and the point (x, y) is in the indicated quadrant, decide whether the given ratio is positive or negative.III, 
A. Positive B. Negative
Write a polar equation in r and ? of a hyperbola with the focus at the origin, with the eccentricity and directrix r = -12csc?.
What will be an ideal response?