April 20, 2014

Homework Help: Trigonometry

Posted by Anonymous on Tuesday, August 7, 2012 at 5:09pm.

Given the rectangular-form point (–1, 4), which of the following is an approximate primary
representation in polar form?
A. −(4.12, 1.82)
B. (−4.12, −1.33)
C. (4.12, 1.82)
D. (4.12, 4.96)

Change 8 cis 240degrees to rectangular form.

A. -4(Square root 3)-4i
B. -8(Square root 3)-8i
C. -4-4(Square root 3i)
D. -8-8(Square root 3i)

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