In Exercises 61-64, find all solutions of the equation in the interval [0,2). Use a graphing utility
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1. sin 6x + sin 2x = 0
2. cos 2x − cos 6x = 0
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1 sin 6x sin 2x 0 2 sin6x 2x 2 cos6x 2x 2 0 2 sin 4x cos 2x 0 sin 4x 0 or co...View the full answer
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