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Simplifying cos2(3x) + cos(3x) = 0 Remove parenthesis around (3x) cos2 * 3x + cos(3x) = 0 Reorder the terms for easier multiplication: 3cos2 * x + cos(3x) = 0 Multiply cos2 * x 3cos2x + cos(3x) = 0 Remove parenthesis around (3x) 3cos2x + cos * 3x = 0 Reorder the terms for easier multiplication: 3cos2x + 3cos * x = 0 Multiply cos * x 3cos2x + 3cosx = 0 Reorder the terms: 3cosx + 3cos2x = 0 Solving 3cosx + 3cos2x = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Factor out the Greatest Common Factor (GCF), '3cosx'. 3cosx(1 + s) = 0 Ignore the factor 3.Subproblem 1
Set the factor 'cosx' equal to zero and attempt to solve: Simplifying cosx = 0 Solving cosx = 0 Move all terms containing c to the left, all other terms to the right. Simplifying cosx = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Subproblem 2
Set the factor '(1 + s)' equal to zero and attempt to solve: Simplifying 1 + s = 0 Solving 1 + s = 0 Move all terms containing c to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + s = 0 + -1 Combine like terms: 1 + -1 = 0 0 + s = 0 + -1 s = 0 + -1 Combine like terms: 0 + -1 = -1 s = -1 Add '-1s' to each side of the equation. s + -1s = -1 + -1s Combine like terms: s + -1s = 0 0 = -1 + -1s Simplifying 0 = -1 + -1s The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| 10(6x-3)=510 | | -w+1=266 | | 15-15*w= | | -w+223=158 | | 9y-16=4y+9 | | d^2-4d+4=0 | | 5(9x+4)=110 | | 7(9x+9)=441 | | (m^6)/(m^4)= | | 249=192-x | | 5(10x-4)=380 | | xy+yz-xz= | | 4b+2(b-4)=10 | | -x+104=251 | | 5(5x-7)=115 | | cos^2(2x)+cos(3x)=0 | | 2(x-3)-5=4x-2(5+x) | | 5(8x-2)=310 | | 6(7x+15)=300 | | 32w^2+72w-2w^3=1152 | | x^2+5x-6750=0 | | 8(5x+16)=328 | | (ab^4)(a^3)= | | x^2+5m-6750=0 | | ab^4= | | (x+2)(5x+1)-(x+2)(3x+2)= | | 10(5x+8)=330 | | 4y-8=36x | | H=-16t^2+72t+100 | | 0.60x+0.50(30)=0.30(74) | | 6(10x+15)=450 | | 14x^2=100 |