Use reference angles to find the exact value of the expression. Do not use a calculator.cot 
A. 
B. 
C. - 
D. -
Answer: B
Mathematics
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Solve the variation problem.If the voltage, V, in an electric circuit is held constant, the current, I, is inversely proportional to the resistance, R. If the current is 150 milliamperes when the resistance is 2 ohms, find the current when the resistance is 10 ohms.
A. 750 milliamperes B. 30 milliamperes C. 745 milliamperes D. 60 milliamperes
Mathematics
Rewrite the following number using digits.Two hundred six thousand, one hundred seven
A. 206,107 B. 260,170 C. 207,106 D. 2,617
Mathematics
Match the graph to one of the polar equations. 
A. r = 4 cos ? B. r = 2 C. r = 4 sin ? D. r sin ? = 2
Mathematics
Solve the problem.Given A = 
and B = 
, find AB and BA.
A.
AB = 
; BA = 
B.
AB = 
; BA = 
C.
AB = 
; BA = 
D.
AB = 
; BA = 
Mathematics