Combine each of the sinusoidal functions

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Reference no: EM13247102

Use the concept of phasor to combine each of the following sinusoidal functions into a single trigonometric expression:

(a) y = 50cos(500t + 60) + 100cos( 500t - 30)

(b) y = 200 cos( 377t + 60) -100sin( 377t + 150)

Reference no: EM13247102

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