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Simplifying cos2(3x) + 4sin(3x) = 1 Remove parenthesis around (3x) cos2 * 3x + 4sin(3x) = 1 Reorder the terms for easier multiplication: 3cos2 * x + 4sin(3x) = 1 Multiply cos2 * x 3cos2x + 4sin(3x) = 1 Remove parenthesis around (3x) 3cos2x + 4ins * 3x = 1 Reorder the terms for easier multiplication: 3cos2x + 4 * 3ins * x = 1 Multiply 4 * 3 3cos2x + 12ins * x = 1 Multiply ins * x 3cos2x + 12insx = 1 Solving 3cos2x + 12insx = 1 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-12insx' to each side of the equation. 3cos2x + 12insx + -12insx = 1 + -12insx Combine like terms: 12insx + -12insx = 0 3cos2x + 0 = 1 + -12insx 3cos2x = 1 + -12insx Divide each side by '3os2x'. c = 0.3333333333o-1s-2x-1 + -4ino-1s-1 Simplifying c = 0.3333333333o-1s-2x-1 + -4ino-1s-1 Reorder the terms: c = -4ino-1s-1 + 0.3333333333o-1s-2x-1
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