Find the reference angle 
, and 
sketch and in standard position.
?
?
A. 
B.
C.
D.
E.
Answer: D
Mathematics
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Find the gradient field F of the function f.f(x, y, z) = x9e5x + y10z5
A. F = (1 + x)x8e5xi + y9z5j + y10z4k B. F = (9 + 5x)x8e5xi + (x9e5x + 10y9z5)j + (x9e5x + 5y10z4)k C. F = (9 + 5x)x8e5xi + 10y9z5j + 5y10z4k D. F = (9 + 5x)x8e5xi + 10y9j + 5z4k
Mathematics
Express each quantity as a positive or negative number.A deposit of $398.15 in your checkbook
A. +$398.15 B. -$398.15
Mathematics
Use the fundamental identities to find the value of the trigonometric function.Find csc ? if sin ? = - 
and ? is in quadrant IV.
A. - 
B. 
C. 
D. - 
Mathematics
Identify the type of surface represented by the given equation. 
+ 
= 
A. Paraboloid
B.
| Ellipsoid |
C. Hyperbolic paraboloid
D. Elliptic cone
Mathematics