Write the number in trigonometric form. Let 0 ? ? < 2?.5
A. 5(cos 
+ i sin 
)
B. 5(cos 
+ i sin 
)
C. 5(cos 0 + i sin 0)
D. 5(cos ? + i sin ?)
Answer: C
Mathematics
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x6
B. 
x6 - 
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A. 
B. 
C. 
D. 2
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A. 
B. 
C. 
D. 
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Simplify the expression. If any variables exist, assume that they are positive.15
+ 6
A. 
B. 21
C. 21
D. 21
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