"If z= cis(ø) and , show that w = cis ø" Help! I have tried, but failed on this one!! It is high school level maths!
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Originally Posted by karldiesen "If z= cis(ø) and , show that w = cis ø" This is a complicated exercise in factoring. First write . Then note that . But . Also I will let you have the fun of doing the details.
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