TS EAMCET · Maths · Complex Number
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- B
- C
- D
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Correct Answer
(A)
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Detailed explanation
∑k=16sin2πk7-icos2πk7 =sin2π7+sin4π7+sin6π7+sin8π7+sin10π7+sin12π7-icos2π7+cos4π7+cos6π7+cos8π7+cos10π7+cos12π7…
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