Find the quotient and write in rectangular form. First convert the numerator and denominator to trigonometric form.
A. - 
+ 
i
B. -10 + 10
i
C. - 
+ 
i
D. -2 + 2
i
Answer: C
Mathematics
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Write the quotient in standard form.
A. 1 + 
i
B. 1 + 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Perform the indicated operation. Give answers in rectangular form expressing real and imaginary parts to four decimal places.[5(cos 20° + i sin 20°)][4(cos 10° + i sin 10°)]
A. 17.3205 + 10.0000i B. 0.8660 + 0.5000i C. 0.5000 + 0.8660i D. 10.0000 + 17.3205i
Mathematics
Write the repeating decimal number as a fraction.0.06666 . . .
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A map has a scale of 3 miles to the inch. How far apart in reality are two cities that are 21 inches apart on the map?
A. 54 in. B. 63 mi. C. 6 in. D. 7 mi.
Mathematics