Question: Using graph paper, sketch two identical sine waves of amplitude 4.0 cm that differ in phase by (a) (/3 rad (60() and (b) (/2 rad

Using graph paper, sketch two identical sine waves of amplitude 4.0 cm that differ in phase by (a) (/3 rad (60() and (b) (/2 rad (90(). Find the amplitude of the superposition of the two waves in each case.

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