`4sin^3 (x) + 2sin^2 (x) - 2sin(x) - 1 = 0` Use a graphing utility to approximate the solutions (to three decimal places) of the equation in the interval `0,2pi)`.

Textbook Question

Chapter 5, 5.3 - Problem 50 - Precalculus (3rd Edition, Ron Larson).
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