Establish the identity.csc
= sec u
What will be an ideal response?
csc 
= 
= 
= sec u.
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Determine whether the given function satisfies Laplace's equation.f(x, y, z) = 8x2 - 5y2 - 3z2
A. Yes B. No
Set up the iterated integral for evaluating 
Dover the given region D.D is the solid right cylinder whose base is the region in the xy-plane that lies inside the cardioid 
and outside the circle 
and whose top lies in the plane 
.
A. 
B. 
C. 
D. 
Solve the problem.A thermometer is taken from a room at 71°F to the outdoors where the temperature is 
Determine what the reading on the thermometer will be after 5 minutes, if the reading drops to 
after 1 minute. Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
Fill in the blank(s) with the appropriate word(s).
Perform the indicated operation.23 lb 11 oz - 5 lb 7 oz
A. 28 lb 2 oz B. 17 lb 4 oz C. 18 lb 4 oz D. 29 lb 2 oz