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Simplifying 2cos(2x) + 3sin(3x) = 4 Remove parenthesis around (2x) 2cos * 2x + 3sin(3x) = 4 Reorder the terms for easier multiplication: 2 * 2cos * x + 3sin(3x) = 4 Multiply 2 * 2 4cos * x + 3sin(3x) = 4 Multiply cos * x 4cosx + 3sin(3x) = 4 Remove parenthesis around (3x) 4cosx + 3ins * 3x = 4 Reorder the terms for easier multiplication: 4cosx + 3 * 3ins * x = 4 Multiply 3 * 3 4cosx + 9ins * x = 4 Multiply ins * x 4cosx + 9insx = 4 Solving 4cosx + 9insx = 4 Solving for variable 'c'. Move all terms containing c to the left, all other terms to the right. Add '-9insx' to each side of the equation. 4cosx + 9insx + -9insx = 4 + -9insx Combine like terms: 9insx + -9insx = 0 4cosx + 0 = 4 + -9insx 4cosx = 4 + -9insx Divide each side by '4osx'. c = o-1s-1x-1 + -2.25ino-1 Simplifying c = o-1s-1x-1 + -2.25ino-1 Reorder the terms: c = -2.25ino-1 + o-1s-1x-1
| 6d+12+8d-16= | | N^2-9N=18 | | y^2-8y+15y=0 | | -13+g=-37 | | 2x^2-5=2x^2+x-50 | | -6k=-3k-6 | | 8y-6+42=180 | | 4(x-13)=64 | | (2.5*100)*(6*1000)= | | 15-8x^2-14x=0 | | -42=-6(1+6v)+3(8+8v) | | e^2x-9=8 | | t=-16t^2+25t+5 | | 4-7s=-7s-8+2s | | -x-1=c-21 | | 4(5t-7)= | | 2(2n-5)=2x-4 | | log(12y)=2.303 | | -cosx^2+cosx+1= | | X^2+12x+35=o | | 8-3x=sqrt(4x^2+20)+8 | | 3x-10=6x-37 | | y^2-4y^1=0 | | -7=1n+19 | | (r+5)(r+5)=11 | | 3x+-1x=x+9 | | -0.08+0.13(9000-y)=0.29y | | 12=3.1t-59.3 | | x+4=y+25 | | -30n=-26n-63 | | sqrt(5y+4)=6 | | 29+21-6y=-12+y-7 |