cos*3x=-1-cos*3x

Simple and best practice solution for cos*3x=-1-cos*3x equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for cos*3x=-1-cos*3x equation:


Simplifying
cos * 3x = -1 + -1cos * 3x

Reorder the terms for easier multiplication:
3cos * x = -1 + -1cos * 3x

Multiply cos * x
3cosx = -1 + -1cos * 3x

Reorder the terms for easier multiplication:
3cosx = -1 + -1 * 3cos * x

Multiply -1 * 3
3cosx = -1 + -3cos * x

Multiply cos * x
3cosx = -1 + -3cosx

Solving
3cosx = -1 + -3cosx

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '3cosx' to each side of the equation.
3cosx + 3cosx = -1 + -3cosx + 3cosx

Combine like terms: 3cosx + 3cosx = 6cosx
6cosx = -1 + -3cosx + 3cosx

Combine like terms: -3cosx + 3cosx = 0
6cosx = -1 + 0
6cosx = -1

Divide each side by '6osx'.
c = -0.1666666667o-1s-1x-1

Simplifying
c = -0.1666666667o-1s-1x-1

See similar equations:

| -8+5y=17 | | 250+12n=c | | 9x-12+7=6x-4 | | f(x)=(3x^4+x^2-3)*(2-3x) | | 5(3a-3)-2(2a-5)=2a+4 | | 4x+2x+1=13 | | 15x-15=9x-1 | | 5y-15=33 | | P+p+p+p+p+p= | | 3d-2d= | | -38y=114 | | 3a+5=2a+23 | | 5x+12=-82-7x | | 5x+4=-84-7x | | 3b+1p+2a=41 | | (7.95/1000)=4.30/X | | 7p+1b=57 | | 17-2s=3 | | 9x+6y+4z=131 | | 5x-20=3x-6 | | 9/a-a/7=6 | | z^3+4z^2+2z-28=0 | | m+3+9=24 | | 4(2a+7)=3(a-5)+2 | | 26/1000=14.7/x | | 7p*-2p= | | 7px-2p= | | (x-0)*(42/280)=100 | | 7x-4w+3x+6y+3y+2w= | | 3.6+2.93= | | (x-0)*(42/250)=100 | | (3x-3)/7=24 |

Equations solver categories