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Simplifying 2sin2(2x) + 3cos(2x) = 0 Remove parenthesis around (2x) 2in2s * 2x + 3cos(2x) = 0 Reorder the terms for easier multiplication: 2 * 2in2s * x + 3cos(2x) = 0 Multiply 2 * 2 4in2s * x + 3cos(2x) = 0 Multiply in2s * x 4in2sx + 3cos(2x) = 0 Remove parenthesis around (2x) 4in2sx + 3cos * 2x = 0 Reorder the terms for easier multiplication: 4in2sx + 3 * 2cos * x = 0 Multiply 3 * 2 4in2sx + 6cos * x = 0 Multiply cos * x 4in2sx + 6cosx = 0 Reorder the terms: 6cosx + 4in2sx = 0 Solving 6cosx + 4in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-4in2sx' to each side of the equation. 6cosx + 4in2sx + -4in2sx = 0 + -4in2sx Combine like terms: 4in2sx + -4in2sx = 0 6cosx + 0 = 0 + -4in2sx 6cosx = 0 + -4in2sx Remove the zero: 6cosx = -4in2sx Divide each side by '6osx'. c = -0.6666666667in2o-1 Simplifying c = -0.6666666667in2o-1
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