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Simplifying sin(2x) * cos(x) + -1sin(2x) = 0 Remove parenthesis around (2x) ins * 2x * cos(x) + -1sin(2x) = 0 Reorder the terms for easier multiplication: 2ins * x * cos * x + -1sin(2x) = 0 Multiply ins * x 2insx * cos * x + -1sin(2x) = 0 Multiply insx * cos 2cinos2x * x + -1sin(2x) = 0 Multiply cinos2x * x 2cinos2x2 + -1sin(2x) = 0 Remove parenthesis around (2x) 2cinos2x2 + -1ins * 2x = 0 Reorder the terms for easier multiplication: 2cinos2x2 + -1 * 2ins * x = 0 Multiply -1 * 2 2cinos2x2 + -2ins * x = 0 Multiply ins * x 2cinos2x2 + -2insx = 0 Solving 2cinos2x2 + -2insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '2insx' to each side of the equation. 2cinos2x2 + -2insx + 2insx = 0 + 2insx Combine like terms: -2insx + 2insx = 0 2cinos2x2 + 0 = 0 + 2insx 2cinos2x2 = 0 + 2insx Remove the zero: 2cinos2x2 = 2insx Divide each side by '2inos2x2'. c = o-1s-1x-1 Simplifying c = o-1s-1x-1
| 21x+45=13x-3 | | x(4x-4)=(4x+5x)(x-6) | | 20x+1+3x-5=180 | | 2z*2z-5z+1=0 | | r*r+4r-16=0 | | 5x-5+xy-y=0 | | 22x+2x^2=5 | | 3(x+1)=x(x+5) | | 7d+4=5d+20 | | X*-7=13 | | 30+x+3x+2x=180 | | 8x^15/8x^5 | | 4x(x+3)-8=10x-7 | | [X-20+[X-20*0.5]]-[20+[X-20*0.5]]=2X | | [X-2+[X-20*0.5]]-[20+[X-20*0.5]]=2X | | X+5x+11=180 | | 2x+-8=2x+10 | | 3d(d-8)=3d | | 8+(20+x)=15 | | 2+1+19+1= | | 30a^2= | | 150=125 | | 0.285=0.2125x+0.0127 | | 0.478=0.2125x+0.0127 | | 0.273=0.2125x+0.0127 | | 0.534=0.2125x+0.0127 | | 0.377=0.2125x+0.0127 | | 0.341=0.2125x+0.0127 | | 0.377=0.0127x+0.2125 | | 0.341=0.0127x+0.2125 | | 9+(-14+x)=24 | | 9+(14+x)=24 |