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hbaBest ResponseYou've already chosen the best response.0
Modulus of \[2(\cos \frac{ \pi }{ 3},iSin \frac{ \pi }{ 3 })\]
 one year ago

hbaBest ResponseYou've already chosen the best response.0
I suppose DeMoivres law Would help....
 one year ago

niksvaBest ResponseYou've already chosen the best response.1
express above in the form of complex number , that is, z = 2cos(pi/3) + i 2sin(pi/3) then take modulus of this u will get the required answer
 one year ago

ash2326Best ResponseYou've already chosen the best response.2
Modulus of \[a+ib \ is \sqrt{a^2+b^2}\] Use the same thing here, in fact modulus of \[\cos \theta+i\sin \theta =1\] regardless of theta.Can you do it now?
 one year ago
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