cos(2x)+3=5cosx

Simple and best practice solution for cos(2x)+3=5cosx 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(2x)+3=5cosx equation:


Simplifying
cos(2x) + 3 = 5cosx

Remove parenthesis around (2x)
cos * 2x + 3 = 5cosx

Reorder the terms for easier multiplication:
2cos * x + 3 = 5cosx

Multiply cos * x
2cosx + 3 = 5cosx

Reorder the terms:
3 + 2cosx = 5cosx

Solving
3 + 2cosx = 5cosx

Solving for variable 'c'.

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

Add '-5cosx' to each side of the equation.
3 + 2cosx + -5cosx = 5cosx + -5cosx

Combine like terms: 2cosx + -5cosx = -3cosx
3 + -3cosx = 5cosx + -5cosx

Combine like terms: 5cosx + -5cosx = 0
3 + -3cosx = 0

Add '-3' to each side of the equation.
3 + -3 + -3cosx = 0 + -3

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

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

Divide each side by '-3osx'.
c = o-1s-1x-1

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

See similar equations:

| 19+2=3x | | 10=4-2n | | 3x+2=-12 | | 3(x-4)+8=8 | | p-.3333=.6666 | | (x*3)=2.5 | | 5x+23=2x-1 | | 4(4+2x)-3(3-11)=21 | | 2c-1x=25 | | 10+3w-9w=-20 | | 48+3x=x+7 | | 126=32-n | | n-.375=.125 | | 9y-11=y | | (x*11)=2.5 | | -2.5n-53.5=-38 | | 0.5y+x=2 | | 2m-5(1+4m)=-13 | | 6-3(3-4x)= | | y+9.4=12.2 | | -4y-8x=28 | | 3(7-x)= | | 6+2z-1=7z+21-3z | | 10x-9x=16 | | 6y-13=4y+3 | | x=-2+2y*3y | | 5-2m(1+4m)=-13 | | 3(t-6)+7t=5(2t+5)-13 | | (x)=-8-5x | | 3-4t+11=-12 | | 8x+7-9=-3 | | 3kx^2+2x+3=0 |

Equations solver categories