1+2cos(2x)=0

Simple and best practice solution for 1+2cos(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 1+2cos(2x)=0 equation:


Simplifying
1 + 2cos(2x) = 0

Remove parenthesis around (2x)
1 + 2cos * 2x = 0

Reorder the terms for easier multiplication:
1 + 2 * 2cos * x = 0

Multiply 2 * 2
1 + 4cos * x = 0

Multiply cos * x
1 + 4cosx = 0

Solving
1 + 4cosx = 0

Solving for variable 'c'.

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

Add '-1' to each side of the equation.
1 + -1 + 4cosx = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 4cosx = 0 + -1
4cosx = 0 + -1

Combine like terms: 0 + -1 = -1
4cosx = -1

Divide each side by '4osx'.
c = -0.25o-1s-1x-1

Simplifying
c = -0.25o-1s-1x-1

See similar equations:

| -2y=3x-12 | | 3=9k | | -63b=189 | | 2x^2+29x-423=0 | | 20=16(4x-8) | | 3x-6(2x+9)=135 | | 3k-9(-7+8k)= | | 2x^2+29x=423 | | 6x-16=6x+6 | | -16q=80 | | 4546454646456454645465465465465=6556553t | | X=3-1/2y | | n-(-10)=99 | | 72.5=2nr | | X-5.82=7.71 | | p-30=90 | | 24=4/5n | | 188=-4(1-6x) | | 8x+82=82+111 | | .5(-j+8)= | | Y=5sin(2x)-2 | | 3y^2+20y=7 | | (8a+2b-4)(3b-5)= | | 2n/3-26=-36 | | 7w+9-10=-18 | | (0.04)-2.5= | | (-6x^-5y/2x^3y^-4)^-2 | | -u+293=122 | | -8(7-2m)= | | -v+24=199 | | 3lnx+4x=5 | | 2x-11x=15 |

Equations solver categories