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Multiple Choice Questions

Find nbsp the nbsp arg 1 i of the given equation nbsp nbsp ...

Explanation:

( 1-i) = r(cos θ +sin θ ) , then  

cosθ = 1,   sinθ = -1 

Thus ,  r = √2 

And cos θ= 1/√2  , sin θ= -1/√2 

Therefore ,   θ = 7π/4 

Thus , arg(z) = 7π/4 


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