Solve: $2\sin(2x) + 3\cos(x) = 0$ for ALL solutions.
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If cos(x) = 0, then x = (2n + 1)π/2 for any integer n. If 4sin(x) + 3 = 0, then sin(x) = -3/4. This equation has two solutions in the interval [0, 2π]: x = 7π/6 and x = 11π/6. Show more…
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