• August 13th 2012, 11:18 PM
rich1979
V1=3sin(wt)
V2=2cos(wt) v3=v1+v2
v3=3.61sin(wt+33.7degrees)

how do i prove that the resultant voltage V3 is in the same frequency as v1 and v2 ?
• August 14th 2012, 12:05 AM
Ranjan
The general equation of a sine wave (and similarly, cosine wave) is $y = A \sin [B (x+C)] + D$