Complex Argument: how do I show that

arg arg . If is not a real number

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- Dec 24th 2011, 07:24 AMflamingComplex Analysis- help needed with proof
Complex Argument: how do I show that

arg arg . If is not a real number - Dec 24th 2011, 07:51 AMDevenoRe: Complex Analysis- help needed with proof
if we write

then

now

so - Dec 24th 2011, 08:47 AMFernandoRevillaRe: Complex Analysis- help needed with proof
Another way (specially if the OP means the principal argument). Denoting the principal argument of we have if and . These conditions are verified for and and . So which implies i.e. .