Simplify the expression using order of operations.78 - 4 ? 17 + 17
A. 27
B. 108
C. 2516
D. 1275
Answer: A
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Use Stokes's Theorem to calculate 
.F = (8 - y)i + (5 + x)j + z2k; S is the upper hemisphere of x2 + y2 + z2 = 16
A. 32? B. -4? C. 64? D. 2?
Evaluate the indicated function with the given information.Find cos 2x if sin x = - 
(in fourth quadrant).
A. 
B. - 
C. - 
D. 
Solve the problem.Evaluate f(t) = cot t at t = 
verbally.
A. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
Therefore, 
B. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
Therefore, 
is undefined.
C. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
Therefore, 
D. If ? = 
is in standard position, the terminal side intersects the unit circle at the point 
Therefore, 
is undefined.
Solve the problem.When the angle of elevation of the sun is ?, a tree casts a shadow. Which trigonometric function models the length of the tree's shadow?
A. tan ? B. cos ? C. cot ? D. sin ?