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Simplifying 3sin2(3x) + 3cos2(3x) = 0 Remove parenthesis around (3x) 3in2s * 3x + 3cos2(3x) = 0 Reorder the terms for easier multiplication: 3 * 3in2s * x + 3cos2(3x) = 0 Multiply 3 * 3 9in2s * x + 3cos2(3x) = 0 Multiply in2s * x 9in2sx + 3cos2(3x) = 0 Remove parenthesis around (3x) 9in2sx + 3cos2 * 3x = 0 Reorder the terms for easier multiplication: 9in2sx + 3 * 3cos2 * x = 0 Multiply 3 * 3 9in2sx + 9cos2 * x = 0 Multiply cos2 * x 9in2sx + 9cos2x = 0 Reorder the terms: 9cos2x + 9in2sx = 0 Solving 9cos2x + 9in2sx = 0 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-9in2sx' to each side of the equation. 9cos2x + 9in2sx + -9in2sx = 0 + -9in2sx Combine like terms: 9in2sx + -9in2sx = 0 9cos2x + 0 = 0 + -9in2sx 9cos2x = 0 + -9in2sx Remove the zero: 9cos2x = -9in2sx Divide each side by '9os2x'. c = -1in2o-1s-1 Simplifying c = -1in2o-1s-1
| 5n-25=10 | | 5n+25=10 | | 3(x-2)+4x=-5 | | -x^2+2x-1.1=0 | | x^2-2x+1.1=0 | | 3(x-2)+4x=5 | | a=0.2bh | | -6x+6-(-4x-1)=4x-3 | | 7=12(4x-8) | | -12-16.8= | | 9x^2+12x+29=0 | | x^8-6x^7+9x^6-x^2+6x+9=0 | | X=-12-4(4.2) | | 9x^2+12+29=0 | | x+(x-10)+(x-24)=0 | | 2(x+3)=3(1-2x) | | 0=((0.8-x)((1.2-x)(1-x)-(0.1*-0.1)))-(0.1(-0.1(1-x)-(-0.1*-0.1)))+(0.1(-0.1*0.1)-(-0.1(1.2-x))) | | 3(-12-4y)+2y=6 | | x-2*8=8x | | x+3*8=6x | | x+3*6=6x | | 2x-22=4x+3 | | 307.5+10.50a=2071.50 | | 14-5x=5-3x | | x+2*8=16x | | 40+2w=62 | | 4x-1x-6=15x-1+8 | | 2a+0.5=15.7 | | 2a+2=15.7 | | 2a+7.9=15.7 | | (x-9)-(x+8)=4x | | 5x^2+26x+40=0 |