Homework Statement
Define x(t)=5cos(wt)+5cos(wt+120)+5cos(wt-120)
simplify x(t) into the standard sinusoidal form:x(t)= A cos(wt+phase).Use phasors to do the algebra.Homework Equations
The Attempt at a Solution
i know it needs to use phasor addition rule.
First,i represent x1(t),x2(t),x3(t) by...