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Homework Statement
i am supposed to prove that for the complex number z=cis\theta
the conjugate is \frac{1}{\overline{z}}
Homework Equations
if
z=a+bi
\overline{z}=a-bi
The Attempt at a Solution
all that i can think of is that \frac{1}{cos\theta i sin \theta}
=(cos \theta i sin \theta)-1
i have also just tried it with a random complex number such as w=2+3i
still how does \overline{w}=1/2+3i ?
Im very lost...