## Trigonometry (11th Edition) Clone

$E = 50+98i$
For $E = IZ$, where $I = 10+6i$ and $Z = 8+5i$, $E = (10+6i)(8+5i)$ $= 80+50i+48i+30i^2$ $= 80+98i-30$ $(i^2=-1)$ $= 50+98i$ $E = 50+98i$