জটিল সংখ্যা \( z=1+i \) কে পোলার আকারে প্রকাশ করলে-

A \( \sqrt{2}\left(\cos \frac{\pi}{4}+i \sin \frac{\pi}{4}\right) \)

B \( \sqrt{2}\left(\cos \frac{\pi}{6}+i \sin \frac{\pi}{6}\right) \)

C \( \sqrt{3}\left(\cos \frac{\pi}{4}+i \sin \frac{\pi}{4}\right) \)

D \( \sqrt{3}\left(\cos \frac{\pi}{6}+i \sin \frac{\pi}{6}\right) \)

Solution

Correct Answer: Option A

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