Two waves are represented as:
y 1 = 10 - 2   sin   50 t + x 50 + 0 . 4 y 2 = 10 - 2 cos   50 t + x 50
What is the phase difference between the two waves?

Dear Student,
                       Waves are y1=10-2sin(50t+x/50+.4)y2=10-2cos(50t+x/50)or y2=10-2sin(π2+50t+x/50)by comparing we are seeing phase difference =900-.43.14×1800=67.070
Regards

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