Prove the identity.
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What will be an ideal response?
Answers may vary. One possible solution is:
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Solve the problem.Find the current I as a function of time in an RCL circuit if R = 10 ?, L = 0.025 H, 
and 
Assume that 
and 
at 
(when the switch is closed).
A. I = 0.888e-160t sin 600t + 0.823e-160t cos 600t B. I = 0.867e-200t sin 600t C. I = 0.823e-200t sin 600t + 0.802e-200t cos 600t D. I = 0.867e-160t cos 600t
Find possible value(s) of ? in the interval [0°, 360°) with the given trigonometric function value.cot ? = 1
A. 135°; 225° B. 45°; 315° C. 225°; 315° D. 45°; 225°
Refer to the weighted voting system 
and the Banzhaf definition of power. (The four players are P1, P2, P3 and P4.)Which players are critical in the coalition {P1, P2, P3, P4}?
A. All of the players B. P1 only C. P1, P2, and P3 only D. P1 and P2 only E. None of the players
Find the slope of the polar curve at the indicated point.r = -8 cos ? - 9 sin ?, ? = ?
A. - 
B. - 
C. 
D. 