Solve.A guy wire is attached to the top of a 22-m pole and stretched to a point that is d meters from the bottom of the pole. Express ?, the angle of inclination, as an inverse cosine function of d.
A. ? = cos-1 
B. ? = cos-1 
C. ? = cos-1 
D. ? = cos-1 
Answer: C
Mathematics
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Solve the initial value problem.Differential Equation: 
= 
(t + 5)3/2i + etjInitial Condition: r(0) = 0
A. r(t) = [(t + 5)7/2 - 57/2]i + (et - 1)j B. r(t) = (t + 5)5/2i + etj C. r(t) = [(t + 5)5/2 + 55/2]i + (et + 1)j D. r(t) = [(t + 5)5/2 - 55/2]i + (et - 1)j
Mathematics
Solve the problem.A force of 38 lb is required to hold a 66 lb toolbox on an incline. What angle does the incline make with the horizontal?
A. 54.8° B. 35.2° C. 73.3° D. 16.7°
Mathematics
If possible, determine the slope.y = 
A. 
B. Not defined
C. 0
D. 
Mathematics
Find the reference angle 
, and 
sketch and in standard position.
?
?
A. 
B.
C.
D.
E.
Mathematics