cos(5x)+cos(9x)-cos(4x)=1

Simple and best practice solution for cos(5x)+cos(9x)-cos(4x)=1 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(5x)+cos(9x)-cos(4x)=1 equation:


Simplifying
cos(5x) + cos(9x) + -1cos(4x) = 1

Remove parenthesis around (5x)
cos * 5x + cos(9x) + -1cos(4x) = 1

Reorder the terms for easier multiplication:
5cos * x + cos(9x) + -1cos(4x) = 1

Multiply cos * x
5cosx + cos(9x) + -1cos(4x) = 1

Remove parenthesis around (9x)
5cosx + cos * 9x + -1cos(4x) = 1

Reorder the terms for easier multiplication:
5cosx + 9cos * x + -1cos(4x) = 1

Multiply cos * x
5cosx + 9cosx + -1cos(4x) = 1

Remove parenthesis around (4x)
5cosx + 9cosx + -1cos * 4x = 1

Reorder the terms for easier multiplication:
5cosx + 9cosx + -1 * 4cos * x = 1

Multiply -1 * 4
5cosx + 9cosx + -4cos * x = 1

Multiply cos * x
5cosx + 9cosx + -4cosx = 1

Combine like terms: 5cosx + 9cosx = 14cosx
14cosx + -4cosx = 1

Combine like terms: 14cosx + -4cosx = 10cosx
10cosx = 1

Solving
10cosx = 1

Solving for variable 'c'.

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

Divide each side by '10osx'.
c = 0.1o-1s-1x-1

Simplifying
c = 0.1o-1s-1x-1

See similar equations:

| -2p^3+9qp-27r=0 | | 4x+2x+6=x+1 | | (((13x3)-3)/3)= | | 4x-2y=90 | | [2a+(5b-3)][2a-(5b-3)]= | | (6x-2y)(6x+2y)= | | 4b^2-4b-27=0 | | 3x,_/...// | | A+0.8B=3112.2 | | x/8-7/2=-3 | | (x+3)2-(x-2)2=55 | | u/8=7 | | Y=x-25/0.05 | | X-25/0.05 | | 3x+x=287 | | 15n^3+25n^2= | | 5(m-2)=20 | | b/19-10=-5 | | 12-4x=-28 | | 2/3x=128000000 | | (4y-3x)/(2x-y) | | v-4/8=5/6 | | (2a+2b)2= | | 6x-26=4 | | bx=3x^2-9 | | 16x^2-96x+44=0 | | 16x^2-96x+44=100 | | x=54+0.65(166-54) | | 5x-5y=100 | | (5x-1)(6x+3)=0 | | 9x-5=5x-7 | | 4xy+20x= |

Equations solver categories