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Simplifying 9sin2(3x) + 9cos2(3x) = 0 Remove parenthesis around (3x) 9in2s * 3x + 9cos2(3x) = 0 Reorder the terms for easier multiplication: 9 * 3in2s * x + 9cos2(3x) = 0 Multiply 9 * 3 27in2s * x + 9cos2(3x) = 0 Multiply in2s * x 27in2sx + 9cos2(3x) = 0 Remove parenthesis around (3x) 27in2sx + 9cos2 * 3x = 0 Reorder the terms for easier multiplication: 27in2sx + 9 * 3cos2 * x = 0 Multiply 9 * 3 27in2sx + 27cos2 * x = 0 Multiply cos2 * x 27in2sx + 27cos2x = 0 Reorder the terms: 27cos2x + 27in2sx = 0 Solving 27cos2x + 27in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-27in2sx' to each side of the equation. 27cos2x + 27in2sx + -27in2sx = 0 + -27in2sx Combine like terms: 27in2sx + -27in2sx = 0 27cos2x + 0 = 0 + -27in2sx 27cos2x = 0 + -27in2sx Remove the zero: 27cos2x = -27in2sx Divide each side by '27os2x'. c = -1in2o-1s-1 Simplifying c = -1in2o-1s-1
| 2x(x+2)=3x-6 | | 9m=m+120 | | z+17=26 | | 12x^2=972 | | 15y=210 | | 15m=3m+240 | | 20m=3m+102 | | 1+0.5x+0.1x^2=0 | | (p+8)(p+8)= | | 50m=12m+760 | | 20m=5m+90 | | 3(2y-1)=4(7t+6) | | 77=15+2j | | 13m=m+156 | | (2x+1)(2x+6)-7(x-2)=4(x+1)(x-1)-9x | | 155=20x+15 | | 10m=m+216 | | 2n+10=50 | | p+5(3p-1)=27+8p | | 2/3x=374 | | (6x-1)+(3x+10)= | | 21m=7m+28 | | 10(x+3)=280 | | 14m=11m+87 | | E^2x-3=1 | | 6w-w=25 | | 3^x=(1/9)^(2x-10) | | 3(3-2x)+6x=x | | (5x^4*y^4+28x^6)dx+(4x^5y^3-3y^2)dy=0 | | 2x+2z-3szx=23+2x | | 45m=23m+88 | | 2(x+8)=56 |