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Simplifying cos(4x) + cos(6x) + -1cos(5x) = 0 Remove parenthesis around (4x) cos * 4x + cos(6x) + -1cos(5x) = 0 Reorder the terms for easier multiplication: 4cos * x + cos(6x) + -1cos(5x) = 0 Multiply cos * x 4cosx + cos(6x) + -1cos(5x) = 0 Remove parenthesis around (6x) 4cosx + cos * 6x + -1cos(5x) = 0 Reorder the terms for easier multiplication: 4cosx + 6cos * x + -1cos(5x) = 0 Multiply cos * x 4cosx + 6cosx + -1cos(5x) = 0 Remove parenthesis around (5x) 4cosx + 6cosx + -1cos * 5x = 0 Reorder the terms for easier multiplication: 4cosx + 6cosx + -1 * 5cos * x = 0 Multiply -1 * 5 4cosx + 6cosx + -5cos * x = 0 Multiply cos * x 4cosx + 6cosx + -5cosx = 0 Combine like terms: 4cosx + 6cosx = 10cosx 10cosx + -5cosx = 0 Combine like terms: 10cosx + -5cosx = 5cosx 5cosx = 0 Solving 5cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '5'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
| 2(b-8)=18 | | 2(4y-1)=2y-3 | | (x/2) | | -1x=5-4x-10-x+45 | | 7P-8=2p+7 | | -5p+2=-8 | | 7=22+6 | | 5+8v=-35 | | X+(y*0.2)=5 | | r+8v=-35 | | x*0.20= | | s^2-3*s-2=0 | | x^4+2*x-1=0 | | 7a-3=6a+8 | | Cos(2x+20)=sin(2x-10) | | 180n_360/n=1080/3n | | 3k^2+16k=-5 | | 8=8+32 | | 5q+3p+3=24p+15+2q | | 0=-4.9x^2+20x+10 | | 2n^2+n-406=0 | | 2b=5b | | 4h+5=h | | 6y=32+3y-2+6w | | 273=2x+x | | 5cos^2x+3sin^2x=4 | | 20-7n=5(4+6n) | | -30+n=6(6n-5) | | 30v+36-5=1+6v | | -8(4p+2)=9-7p | | 17x+186y=73311 | | 0=1000-x-x*0.03 |