Umme posted an Question
December 03, 2020 • 02:18 am 30 points
  • IIT JAM
  • Physics (PH)

Q.11. if z = 1- cos 0 + i sin 0, then |z| equals (h) 2 cos

Q.11. If z = 1- cos 0 + i sin 0, then |z| equals (h) 2 cos

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    Ruby negi

    this is simple, only remember how to find the modulus of z and the trigonometic prosperity of cos2Theta, this is important formula..

  • comment-profile-img>
    Ruby negi best-answer

    solution

    cropped541474702.jpg
    eduncle-logo-app

    a or c ?

    eduncle-logo-app

    c is the right ✅

    eduncle-logo-app

    yeah, c is right as the sun(theta/2) is come out from squre root so only positive value will come out..

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