Complex Numbers Question Help
I don't understand the question (highlighted part). Could someone please explain it?
(edited 11 months ago)
Original post by action123
I don't understand the question (highlighted part). Could someone please explain it?
z = cos@ + isin@
cos@ = cos^2(@/2) - sin^2(@/2) = 2cos^2(@/2) - 1
sin@ = 2sin(@/2)cos(@/2)
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