Rewrite the complex number in rectangular form, a + bi. z=7cis(pi/6)=? A. 7+7i B. ((7(sqrt 3))/2)+(7/2)i c. (sqrt 3/2)+(1/2)i D. (7/2)...

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Rewrite the complex number in rectangular form, a + bi. z=7cis(pi/6)=? A. 7+7i B. ((7(sqrt 3))/2)+(7/2)i c. (sqrt 3/2)+(1/2)i D. (7/2)...

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