Find the polar form of the complex number.7i
A. 7(cos 
+ i sin 
)
B. 7(cos 
+ i sin 
)
C. 7(cos ? + i sin ?)
D. 7(cos 0 + i sin 0)
Answer: A
Mathematics
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(2x + y3) dx + (3xy2 + 4y) dyC: Any simple closed curve in the plane for which Green's Theorem holds
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