Find all solutions if 
. Give your answers in radians using exact values only. Verify your answer graphically.
?
What will be an ideal response?
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Provide an appropriate answer.Suppose that x2 + y2 = r2 and x = r cos ?, as in polar coordinates. Find 
r.
A. 
r= -r sin ?
B. 
r= r(cos ? - sin ?)
C. 
r= 0
D. 
r= r cos ?
Solve the problem.The voltage E in an electrical circuit is given by E = 1.7 cos 110?t, where t is time measured in seconds. Find the frequency of the function (that is, find the number of cycles or periods completed in one second).
A. 
B. 55
C. 
D. 110
Prepare a probability distribution for the experiment. Let x represent the random variable, and let P represent the probability.Two marbles are drawn from a bag in which there are 4 red marble and 2 blue marble. The number of blue marbles is counted.
A. 
B. 
C. 
D. 
Evaluate the integral by making the given substitution.
