Use the inverse trig functions to express the angle in terms of the indicated unknown side. ?
Given that y = 8, express angle A in terms of x. Use one of the inverse trig functions tan-1, sin-1, or cos-1.
A. A = tan-1 
B. A = sin-1 
C. A = sin-1 
D. A = tan-1 
Answer: A
Mathematics
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; R = {(x, y): 0 ? x ? 3, 0 ? y ? 1}
A. -12 B. 15 C. 24 D. 12
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Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 
tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
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A. 16.803 B. 14.863 C. -14.863 D. 12.923
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