2cos(5x)=-1

Simple and best practice solution for 2cos(5x)=-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 2cos(5x)=-1 equation: 


Simplifying
2cos(5x) = -1

Remove parenthesis around (5x)
2cos * 5x = -1

Reorder the terms for easier multiplication:
2 * 5cos * x = -1

Multiply 2 * 5
10cos * x = -1

Multiply cos * x
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:

| x-(5-5i)x-(5-5i)=0 | | 4tan(3x-1)=2 | | 4x+8+9x-3=-9x+22x+9 | | -7.6(x-2.25)=22.8 | | x(y-5)+1=2y+3 | | 7q-10=32 | | 2xy(9x+6y)= | | 15-5(9)+16= | | 12t=6t^3+6t^2 | | 5(7-x)=-2x-27 | | 5=5x-7x+24 | | 4n+k=15 | | x^3-4x^2=21x | | 56f=8 | | solve(3D^2+D-14)y=13e^2x | | -7(4-r)=35 | | 5x^3-320x^2=0 | | ab^2+3b-4=0 | | 2r-r=24 | | x^3-4x^2+21x=0 | | 7p=8(6p+5) | | A^2+3=19 | | x+(4x-6)+(7x-6)=180 | | 10m^2-51mn+56n^2=0 | | 58+40d-9-19d= | | 4(10x+25)=340 | | 20m^2-6m-36=0 | | 6*4+3+5x=10+2x | | Sin(79)= | | 2wy+5w-12y-30= | | 3x+6c=2x+4c | | 4(1)-2y=6 |

Equations solver categories