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Simplifying -2cos(1.9x)(1.9) + -1.4sin(1.9x)(1.9) = 0 Remove parenthesis around (1.9x) -2cos * 1.9x(1.9) + -1.4sin(1.9x)(1.9) = 0 Reorder the terms for easier multiplication: -2 * 1.9 * 1.9cos * x + -1.4sin(1.9x)(1.9) = 0 Multiply -2 * 1.9 -3.8 * 1.9cos * x + -1.4sin(1.9x)(1.9) = 0 Multiply -3.8 * 1.9 -7.22cos * x + -1.4sin(1.9x)(1.9) = 0 Multiply cos * x -7.22cosx + -1.4sin(1.9x)(1.9) = 0 Remove parenthesis around (1.9x) -7.22cosx + -1.4ins * 1.9x(1.9) = 0 Reorder the terms for easier multiplication: -7.22cosx + -1.4 * 1.9 * 1.9ins * x = 0 Multiply -1.4 * 1.9 -7.22cosx + -2.66 * 1.9ins * x = 0 Multiply -2.66 * 1.9 -7.22cosx + -5.054ins * x = 0 Multiply ins * x -7.22cosx + -5.054insx = 0 Solving -7.22cosx + -5.054insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '5.054insx' to each side of the equation. -7.22cosx + -5.054insx + 5.054insx = 0 + 5.054insx Combine like terms: -5.054insx + 5.054insx = 0.000 -7.22cosx + 0.000 = 0 + 5.054insx -7.22cosx = 0 + 5.054insx Remove the zero: -7.22cosx = 5.054insx Divide each side by '-7.22osx'. c = -0.7ino-1 Simplifying c = -0.7ino-1
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