# Complex number(exponential form)

#### naspek

Let z = 4e^i(pi/6)
find iz and |e^iz|

what is iz?
is it imaginary part of z?

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#### HallsofIvy

No, "iz" is exactly what it looks like: i times z. The difficulty appears to be that z is in polar form while i is in "rectangluar" form. Either write i in polar form or write z in rectangular form. Then multiply.

#### naspek

No, "iz" is exactly what it looks like: i times z. The difficulty appears to be that z is in polar form while i is in "rectangluar" form. Either write i in polar form or write z in rectangular form. Then multiply.
what bout the second part?

#### HallsofIvy

what bout the second part?
That was what I meant when I said "Either write i in polar form or write z in rectangular form. Then multiply." What is i in polar form? What is z in rectangular form?

"Complex number(exponential form)"

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