
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN: 9780134463216
Author: Robert F. Blitzer
Publisher: PEARSON
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Can you please help with these questions, if you can't do then skip. Thanks

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AaBbCcDd AaBbCcDd AaBbCC AaBbCcC A
三三==|三|、田、
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Question 4
Determine for which values of n EZ are the following numbers purely real, and likewise purely
imaginary.
(d) (V3 + i)" + (V3 – i)"
(e) (1+cos() + i sin (주))"
(f) (V2 +1-i)" (You may use the fact that tan=).
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