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Simplifying cos(3x) + -1sin(3x) = 0 Remove parenthesis around (3x) cos * 3x + -1sin(3x) = 0 Reorder the terms for easier multiplication: 3cos * x + -1sin(3x) = 0 Multiply cos * x 3cosx + -1sin(3x) = 0 Remove parenthesis around (3x) 3cosx + -1ins * 3x = 0 Reorder the terms for easier multiplication: 3cosx + -1 * 3ins * x = 0 Multiply -1 * 3 3cosx + -3ins * x = 0 Multiply ins * x 3cosx + -3insx = 0 Solving 3cosx + -3insx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '3insx' to each side of the equation. 3cosx + -3insx + 3insx = 0 + 3insx Combine like terms: -3insx + 3insx = 0 3cosx + 0 = 0 + 3insx 3cosx = 0 + 3insx Remove the zero: 3cosx = 3insx Divide each side by '3osx'. c = ino^{-1}Simplifying c = ino^{-1}

| x^3+x^2=20 | | 1.75/0.7 | | 20=-16x^2+40x+76 | | 28x+17=-22 | | 7m-6=13m-42 | | 4(x/4-1)=10(15) | | 8.19r=24.57 | | 8(4-y)+10=6y | | (5x+4)(3x-10)= | | 5/x-6=2/x | | 8.18r=24.57 | | (8x+3y+67)=8.54400374532 | | x-12/35x=1012 | | 2x+5y=3x-3y+7 | | (7)n=-21 | | 4(-5x+2)=-2(5+6x)-6 | | 5x^3-20x^2+30x=0 | | x-6x+3=23 | | 5-(-3)^2/[4(5-2^2)-1]= | | (4x-5)(2x+7)=0 | | x+4x+x-23=562 | | -5(m+5)=-4(m+6) | | -(w+5)-8=0 | | 0.8(320-100)=d | | -76+12x=20 | | 0.8(100-100)=d | | X^2+y^2-4x+10y+25=0 | | 0.8(150-100)=d | | 12x+106=274 | | 8+9x+9+18x= | | -2x-14=-x+15 | | x-(-5)=35 | | 0.8(d-100)=100 | | 34=2x+8x(X+3) | | t=4ln(3.06) | | 0.8(d-100)=150 | | (6x^2+y^2-9)-(2x^2+y^2-2)= | | Y=x-4x-10 | | F(x)=4x^3-108 | | x^2/3x^0.5 | | 24-2x=6x+17 | | S-5s= | | 6x^2+y^2-9-2x^2+y^2-2= | | 49=a^2+b^2 | | -7+8y+4-6y= | | 5w*2+13w-6=0 | | x2/3x0.5 | | 15+x=2(x-6) | | Y-25=16 | | t=4ln(98.6-68/78-68) | | 2(x-5)=3x-12 | | 16+2x+73=2x+19+3 | | 14=s+12 | | 9x+18=6y-3x | | (3x+4)-(2x-9)=180 | | 5/6=x/82 | | X+5x-60=180 | | 2log(3)x=3log(3)5 | | Y-3=7(x-2) | | 7x-28=5x+10 | | (3x+4)+(2x-9)=180 | | 4x+5x-30=360 | | 5/4=x/82 | | 1/6y=1/9-15/14 | | .25x=.105 |

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