Find the requested function value of ?.If sin ? = 
, find cos ?.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the derivative of the function at P0 in the direction of u.f(x, y, z) = -4xy3z2, P0(-4, -64, 16), u = -2i + j - 2k
A. - 
B. - 67,108,864
C. - 83,886,080
D. - 
Mathematics
Evaluate the improper integral.
A. 16 B. 48 C. 32 D. 8
Mathematics
Evaluate the integral.
A. 14
B. 
C. 
D. 7
Mathematics
Find the standard form of the equation of the ellipse satisfying the given conditions.Center at (0, 0); Focus at (0, 4); Vertex at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics