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If x = cosθ + jsinθ the value of 
  • a)
    2 cos nθ 
  • b)
    2j sin nθ
  • c)
    2 sin nθ
  • d)
    2j cos nθ
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Ifx = cosθ + jsinθ the value ofa)2 cos nθb)2j sin n&...
We can write xn = cos nθ + jsin nθ
The given equation can be written as 
= cos nθ + j sin nθ + cos nθ − j sin nθ
= 2cos nθ
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Ifx = cosθ + jsinθ the value ofa)2 cos nθb)2j sin nθc)2 sin nθd)2j cos nθCorrect answer is option 'A'. Can you explain this answer?
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