2cos^2(2x)+3cos^2(x)=2

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


Simplifying
2cos2(2x) + 3cos2(x) = 2

Remove parenthesis around (2x)
2cos2 * 2x + 3cos2(x) = 2

Reorder the terms for easier multiplication:
2 * 2cos2 * x + 3cos2(x) = 2

Multiply 2 * 2
4cos2 * x + 3cos2(x) = 2

Multiply cos2 * x
4cos2x + 3cos2(x) = 2

Multiply cos2 * x
4cos2x + 3cos2x = 2

Combine like terms: 4cos2x + 3cos2x = 7cos2x
7cos2x = 2

Solving
7cos2x = 2

Solving for variable 'c'.

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

Divide each side by '7os2x'.
c = 0.2857142857o-1s-2x-1

Simplifying
c = 0.2857142857o-1s-2x-1

See similar equations:

| (5w-24/-16)/(6w-40/4w-21) | | 7/8n=1/4 | | 4x-2y+2x+13= | | C^2-3x-8=0 | | 8+7n-9+9= | | 18=-9h-5h | | 16v=28+9v | | 8+11=19 | | x^5+2x+3x^3-3x^4-9x^2-6=0 | | 7-3/7= | | 3+-2+-9-7+2w= | | 10n-17=3n+52 | | (8c+9)(7c-2)= | | 14b+14=-2b | | 14.95-n=12.48 | | 8r+4r+3+5r-8r= | | -1=1/9x-1 | | 8n-3=2n+38 | | -2=1/9x-1 | | (3y+3)(3y^2+2y-4)= | | g6/g2 | | 15.625/2.5 | | Log(11)1=x | | 1=2(v-7)-5v | | (3+u)(4u+1)=0 | | 7z-4=12+3z+8 | | 7xn=63 | | 3x+3+2x+7=90 | | -4(-3)+-4=8 | | Y-1=-12 | | (2x^2-x-3)(x+4)= | | 35.48+b=70 |

Equations solver categories