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the value of 10summation k=1 (sin2kpi/11 + icos2kpi/11) is (a) 1 (b) -1 (c) -i (d) i

the value of 10summation k=1 (sin2kpi/11 + icos2kpi/11) is


(a) 1                            (b) -1


(c) -i                         (d) i


 

Grade:11

2 Answers

saurabh kathpalia
14 Points
9 years ago

D

Ranjita yadav
35 Points
9 years ago

explain ur ans. plzz..!!

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