cos(2x)=0.25

Simple and best practice solution for cos(2x)=0.25 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)=0.25 equation: 


Simplifying
cos(2x) = 0.25

Remove parenthesis around (2x)
cos * 2x = 0.25

Reorder the terms for easier multiplication:
2cos * x = 0.25

Multiply cos * x
2cosx = 0.25

Solving
2cosx = 0.25

Solving for variable 'c'.

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

Divide each side by '2osx'.
c = 0.125o-1s-1x-1

Simplifying
c = 0.125o-1s-1x-1

See similar equations:

| 1/5q-4=13 | | 4x(x^2-36)=0 | | 40x+5y=45 | | 3*x^3-9*x=0 | | 8k-4-5k=-3 | | 8p+4p=36 | | 4*x^2-64=0 | | 4(80+n)=(3k)n | | (6y-3x^2+3y^2)dx+(6x+6xy)dy=0 | | m-3(4m-1)+2(7-m)=5 | | 12x-4-10x+15=-20 | | -3x^2+9s=0 | | (g-h)(g^2+gh+h^2)= | | 3x(2x-5)=7 | | 5x+18=7x-8 | | 7x-9=9x+10 | | 2x+3x+17=24 | | 8=2x/(0.2-X)(0.2-X) | | 4*cos^2*x-1=0 | | 5x-15=6x+11 | | 2CN+6=22 | | G(x)=x-25 | | -7x=-26 | | Y/15=10 | | 2s=15 | | tn=2n-75 | | 12x^5-56x^4+32x^3=0 | | 7x+2x=5 | | 0.12x=0.11(92000-x) | | 52x+20(454-x)=15448 | | 32+9x-18+5=262 | | 0.09x-0.04(11000-x)=600 |

Equations solver categories