Cos(3x)+cos(2x)=0

Simple and best practice solution for Cos(3x)+cos(2x)=0 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)+cos(2x)=0 equation:


Simplifying
Cos(3x) + cos(2x) = 0

Remove parenthesis around (3x)
osC * 3x + cos(2x) = 0

Reorder the terms for easier multiplication:
3osC * x + cos(2x) = 0

Multiply osC * x
3osxC + cos(2x) = 0

Remove parenthesis around (2x)
3osxC + cos * 2x = 0

Reorder the terms for easier multiplication:
3osxC + 2cos * x = 0

Multiply cos * x
3osxC + 2cosx = 0

Reorder the terms:
2cosx + 3osxC = 0

Solving
2cosx + 3osxC = 0

Solving for variable 'c'.

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

Add '-3osxC' to each side of the equation.
2cosx + 3osxC + -3osxC = 0 + -3osxC

Combine like terms: 3osxC + -3osxC = 0
2cosx + 0 = 0 + -3osxC
2cosx = 0 + -3osxC
Remove the zero:
2cosx = -3osxC

Divide each side by '2osx'.
c = -1.5C

Simplifying
c = -1.5C

See similar equations:

| 282=x+x+1+x+2 | | 44=x+2x+x+8 | | (x^2)-25)/25) | | 2X+4X=240 | | 30-4n=14 | | 3(y-5)=8(y+4)+3 | | 0.5x+6+x=10-x | | 3-7x=50 | | x^3+4X-6X^5=10 | | 56-88=28 | | n+15=245 | | 125+n=245 | | A=i*b | | X-9.8/-9.3=7.7 | | 200-2x^2/4x | | -3(4x+1)-(5-7x)=22 | | X-4=x-3 | | -17m-36=15 | | 1+Z=1-z | | 5/7*1/14= | | 5/7*1/14H= | | 5/781/14h= | | 3x-12=2x-(6-x)-3x | | y^2-9=y+3 | | log10^2/log10^51 | | .06x+2.7=.08(30+x) | | 7x+4y+10= | | 4+(3-3X)-(1-x)=2x-2(x-3) | | -2y+3=y^2 | | (3x+4y-7)dx+(6[3x+4y]+2)dy=0 | | 12(18-10x)=8 | | 7x-13=4x-21 |

Equations solver categories