Menu Close

let-x-and-y-from-R-prove-that-cos-x-iy-cos-2-x-sh-2-y-sin-x-iy-2-sin-2-x-sh-2-y-

Tinku Tara 0 Comments
Pin




Question Number 38117 by maxmathsup by imad last updated on 21/Jun/18
let x and y from R prove that ∣cos(x+iy)∣=cos^2 x +sh^2 y ∣sin(x+iy)∣^2 =sin^2 x +sh^2 y
letxandyfromRprovethat∣cos(x+iy)∣=cos2x+sh2y∣sin(x+iy)∣2=sin2x+sh2y

Pin

Leave a Reply

Your email address will not be published. Required fields are marked *