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Simplifying 4cos(4x) + 6sin2(2x) + 5cos(2x) = 0 Remove parenthesis around (4x) 4cos * 4x + 6sin2(2x) + 5cos(2x) = 0 Reorder the terms for easier multiplication: 4 * 4cos * x + 6sin2(2x) + 5cos(2x) = 0 Multiply 4 * 4 16cos * x + 6sin2(2x) + 5cos(2x) = 0 Multiply cos * x 16cosx + 6sin2(2x) + 5cos(2x) = 0 Remove parenthesis around (2x) 16cosx + 6in2s * 2x + 5cos(2x) = 0 Reorder the terms for easier multiplication: 16cosx + 6 * 2in2s * x + 5cos(2x) = 0 Multiply 6 * 2 16cosx + 12in2s * x + 5cos(2x) = 0 Multiply in2s * x 16cosx + 12in2sx + 5cos(2x) = 0 Remove parenthesis around (2x) 16cosx + 12in2sx + 5cos * 2x = 0 Reorder the terms for easier multiplication: 16cosx + 12in2sx + 5 * 2cos * x = 0 Multiply 5 * 2 16cosx + 12in2sx + 10cos * x = 0 Multiply cos * x 16cosx + 12in2sx + 10cosx = 0 Reorder the terms: 16cosx + 10cosx + 12in2sx = 0 Combine like terms: 16cosx + 10cosx = 26cosx 26cosx + 12in2sx = 0 Solving 26cosx + 12in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-12in2sx' to each side of the equation. 26cosx + 12in2sx + -12in2sx = 0 + -12in2sx Combine like terms: 12in2sx + -12in2sx = 0 26cosx + 0 = 0 + -12in2sx 26cosx = 0 + -12in2sx Remove the zero: 26cosx = -12in2sx Divide each side by '26osx'. c = -0.4615384615in2o-1 Simplifying c = -0.4615384615in2o-1
| x*6=420 | | 4(x-8)+12=2(x-5) | | 62=2+(-3b+6) | | 2b^2-5b=3 | | (x+2)*6=420 | | y-y=-7 | | 4=rx+11 | | (x+1)*6=350 | | 4(1+5n)=64 | | (r-9)(r+81)=0 | | x^2+y^2+2x-8y-383=0 | | -155=-5+6(5+5k) | | m+(-1)=10 | | (9a+4b)+3a-b= | | -5(2-6n)=140 | | 9=-2m+5+2m | | (3x+1/x-1)=7 | | (6x+6/4)=18 | | -5v+8v=8v-10 | | 13+7n-6+1=1+8n | | 5n*2=100 | | -4(x-5)=12(3+x) | | 2x^2-2x-30=0 | | x+2=4x+2 | | 4(-4)+9=-7 | | (x+1)*6=420 | | 2h+3k-5(3h-5k)=0 | | 3x-8(x-1.9)=7.9 | | (X+8)+(4x+5)+(4x-1)=2(4x-4)+2(x+5) | | -14-8x=-8x-7 | | 4+24n=4(8n+2)-8n | | 0.13-0.01(x+2)=-0.04(1-x) |