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Question Number 180277 by Mastermind last updated on 09/Nov/22
Express the function f(z)=ze^(iz)  into  cartesian form and separate it into  Real and Imaginary part.    M.m
Expressthefunctionf(z)=zeizintocartesianformandseparateitintoRealandImaginarypart.M.m
Commented by Frix last updated on 09/Nov/22
That′s what I did before  It seems you don′t know much about this...
ThatswhatIdidbeforeItseemsyoudontknowmuchaboutthis
Commented by Mastermind last updated on 09/Nov/22
Smile  okay, lets see in polar form...  when z=re^(iθ)
Smileokay,letsseeinpolarformwhenz=reiθ
Commented by Frix last updated on 09/Nov/22
f(z)=ze^(iz) =re^(iθ) e^(ire^(iθ) ) =  =re^(iθ) e^(ir(cos θ +i sin θ)) =  =re^(iθ) e^(−rsin θ +ircos θ) =  =re^(−rsin θ +i(θ+rcos θ)) =  =(r/e^(rsin θ) )e^(i(θ+rcos θ)) =  =((rcos (θ+rcos θ))/e^(rsin θ) )+i((rsin (θ+rcos θ))/e^(rsin θ) )
f(z)=zeiz=reiθeireiθ==reiθeir(cosθ+isinθ)==reiθersinθ+ircosθ==rersinθ+i(θ+rcosθ)==rersinθei(θ+rcosθ)==rcos(θ+rcosθ)ersinθ+irsin(θ+rcosθ)ersinθ
Commented by Mastermind last updated on 09/Nov/22
Thanks man
Thanksman

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