Can you find the product of z1 and z2? z1=4(cos40˚+ i sin40˚) z2=2(cos20˚+ i sin20˚) Give your answer in rectangular form.
1 Answer
May 30, 2018
Explanation:
there are two ways of doing this
method 1
we have
method 2
change
to Euler form
we have
which gives us
and continue from there as above