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Simplifying cos(2x) + -1sin(x) = 0 Remove parenthesis around (2x) cos * 2x + -1sin(x) = 0 Reorder the terms for easier multiplication: 2cos * x + -1sin(x) = 0 Multiply cos * x 2cosx + -1sin(x) = 0 Multiply ins * x 2cosx + -1insx = 0 Solving 2cosx + -1insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add 'insx' to each side of the equation. 2cosx + -1insx + insx = 0 + insx Combine like terms: -1insx + insx = 0 2cosx + 0 = 0 + insx 2cosx = 0 + insx Remove the zero: 2cosx = insx Divide each side by '2osx'. c = 0.5ino^{-1}Simplifying c = 0.5ino^{-1}

| 9-8=27-2y | | 0.6x-14=0.2(x-10) | | 12+7=2x+22 | | 4x+6=-4 | | -2y+5=-7y+15 | | 4-3a-6=43 | | -9x+3=-5 | | 2-7z=1 | | 28=6c-28 | | 30-5x=20 | | 4m^2+12m+4=0 | | 2x=y^2+6y+5 | | 8-6p-7p=-31 | | 3z=6z | | -8x+2=-9x+5 | | -16-7n=2(1-8n) | | 9x-6=24x+4 | | 8+4x=28 | | 7e-4=17 | | 7(m-6)-5=-33-7m | | -14v-14v=-10 | | 4*x=54 | | 2(x-3)=3(x+6) | | 8-x=19 | | 6x-9+3x=2+9x-11 | | 8+4n+2=16+5n | | -(x-7)=4x-9-6x | | 12+5x=8+7x | | 3x-10=-4+2x | | 4x+7=2(x-9)+1 | | 43-5x=4x+22 | | 4x+2(7-3x)=16 | | 6-8x=45-29x | | x*0.15=300 | | 15x+2=2(5x-2)+5x+6 | | x=2x-232 | | x-36=-43 | | 4(a+3)-6=4(a-3)-6 | | 5(8-2x)=90 | | 5m+6+7=13 | | 11x-20-x=4x+80+x | | 2y^2+8y=42 | | -11=17+s/5 | | 4n-4+8n=8 | | 66-4x=11-9x | | 3.25x+x=90 | | -1+2*0=5*3 | | -35=-5(n+10) | | -10=-12 | | 3(p+7)=5+2(2p+3) | | .3x-7=-8 | | x/9=17 | | 5+-12= | | 2m+30=-2(1-5m) | | -9+-4= | | x/2+4=6 | | C=p-3t | | -11x=110 | | X=5y+z | | 2-2p=-14-4p | | 35=a+19 | | 3(y+6)=12 | | 3(p+p)=p | | 5=-8x | | A=180(n-2) |

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