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The argument of the complex number "sin"...

The argument of the complex number `"sin"(6pi)/(5)+ i(1+"cos" (6pi)/(5))` is

A

A) `(6pi)/(5)`

B

B) `(5pi)/(6)`

C

C) `(9pi)/(10)`

D

D) `(2pi)/(5)`

Text Solution

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The correct Answer is:
C
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