Find 
for 
and simplify.
?
A. 
B. 
C. 
D. 
E. 
Answer: A
You might also like to view...
Solve the problem.A barge takes 4 hours to move (at a constant rate) downstream for 32 miles, helped by a current of 2 miles per hour. If the barge's engines are set at the same pace, find the time of its return trip against the current.
A. 64 hr B. 8 hr C. 6 hr D. 4 hr
Solve the given differential equation (where the function is subject to the given conditions) by using Laplace transforms.y" + 16y = 0, y
= 0, y' 
= 1
A. y = 
cos 4t
B. y = 
sin 4t
C. y = sin 4t
D. y = cos 4t
Test the equation for symmetry with respect to the given axis, line, or pole.r = -2 cos ?; the polar axis
A. May or may not be symmetric with respect to the polar axis B. Symmetric with respect to the polar axis
Find the value of s in the interval [0, ?/2] that makes the statement true. Round to four decimal places.cos s = 0.6784
A. 0.7456 B. 5.4580 C. 0.8252 D. 0.9668