Find all indicated roots. Write your answer in the specified form.Eleventh roots of 1; trigonometric form

A. 1, cis , cis , cis , cis , cis , cis , cis , cis , cis , cis 
B. 1, cis , cis , cis , cis , cis , cis , cis , cis , cis , -1
C. 1, cis , cis , cis , cis , cis , cis , cis , cis , cis , cis 
D. 1, cis , cis , cis , cis , cis 

Answer: A

Mathematics

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