Write the complex number in trigonometric form, using degree measure for the argument.-1.06 + 8.62i
A. 8.7(cos 7.0° + i sin 7.0°)
B. 8.7(cos 187.0° + i sin 187.0°)
C. 8.7(cos -83.0° + i sin -83.0°)
D. 8.7(cos 97.0° + i sin 97.0°)
Answer: D
Mathematics
You might also like to view...
Find the derivative of y with respect to x.y = 3 sin-1 (4x3)
A. 
B. 
C. 
D. 
Mathematics
Round the number to the place value indicated.93,535
A. 93,640 B. 93,530 C. 93,540 D. 93,550
Mathematics
Solve the problem. Leave the answer in exponential notation.The expression 27? 64t approximates the number of bacteria after t hours. After 
hr, how many bacteria are there?
A. 27 B. 213 C. 28 D. 2?13
Mathematics
Solve. Give your answer as a mixed numeral.Tim needs to apply 1
gallons of herbicide per acre of soybeans. How many gallons of herbicide are needed for 176 acres?
A. 44
gal
B. 45 gal
C. 140
gal
D. 220 gal
Mathematics