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Simplifying cos(x) + cos(2x) + cos(3x) + cos(4x) + cos(5x) = 0 Multiply cos * x cosx + cos(2x) + cos(3x) + cos(4x) + cos(5x) = 0 Remove parenthesis around (2x) cosx + cos * 2x + cos(3x) + cos(4x) + cos(5x) = 0 Reorder the terms for easier multiplication: cosx + 2cos * x + cos(3x) + cos(4x) + cos(5x) = 0 Multiply cos * x cosx + 2cosx + cos(3x) + cos(4x) + cos(5x) = 0 Remove parenthesis around (3x) cosx + 2cosx + cos * 3x + cos(4x) + cos(5x) = 0 Reorder the terms for easier multiplication: cosx + 2cosx + 3cos * x + cos(4x) + cos(5x) = 0 Multiply cos * x cosx + 2cosx + 3cosx + cos(4x) + cos(5x) = 0 Remove parenthesis around (4x) cosx + 2cosx + 3cosx + cos * 4x + cos(5x) = 0 Reorder the terms for easier multiplication: cosx + 2cosx + 3cosx + 4cos * x + cos(5x) = 0 Multiply cos * x cosx + 2cosx + 3cosx + 4cosx + cos(5x) = 0 Remove parenthesis around (5x) cosx + 2cosx + 3cosx + 4cosx + cos * 5x = 0 Reorder the terms for easier multiplication: cosx + 2cosx + 3cosx + 4cosx + 5cos * x = 0 Multiply cos * x cosx + 2cosx + 3cosx + 4cosx + 5cosx = 0 Combine like terms: cosx + 2cosx = 3cosx 3cosx + 3cosx + 4cosx + 5cosx = 0 Combine like terms: 3cosx + 3cosx = 6cosx 6cosx + 4cosx + 5cosx = 0 Combine like terms: 6cosx + 4cosx = 10cosx 10cosx + 5cosx = 0 Combine like terms: 10cosx + 5cosx = 15cosx 15cosx = 0 Solving 15cosx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Divide each side by '15'. cosx = 0 Simplifying cosx = 0 The solution to this equation could not be determined.
| 60x+13= | | 10xy/14y | | cos(11x)-cos(12x)=0 | | 13+60x= | | -11/175,13/245 | | 24+5v=-5(8-v)+8v | | -9=-x^2 | | 4x+2=log^8(64) | | 2x+5-7x+10=10 | | 4(1/4)+x=56(7/8) | | R(S+T)=RS-RT | | 20x=-x^2 | | 3w-2=8w-17 | | 3/4n-12=12 | | 6r-1/2(2)r=10 | | y=4x^2+8x+26 | | 15y+12x=60 | | 5-2y=8x-1 | | 8x+12=72(10) | | 2(-8+7v)=35-3v | | 0.75+12.25=x | | 22=-7r-4r | | 9/4=t/11 | | 5n+3(4+4n)=32-3n | | -11x^2+8x=0 | | 3.2y-5=3+2(1.4t+4) | | log(x-4)-log(x)=log(x+2) | | lg(x+4x+4)=lgx^4 | | 60+7v=25-3v | | 7(6x-5)=7x-35 | | 2(x+1)=2x-1 | | 15*1/3-12y=13 |