2cos^2(3x)=1

Simple and best practice solution for 2cos^2(3x)=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^2(3x)=1 equation: 


Simplifying
2cos2(3x) = 1

Remove parenthesis around (3x)
2cos2 * 3x = 1

Reorder the terms for easier multiplication:
2 * 3cos2 * x = 1

Multiply 2 * 3
6cos2 * x = 1

Multiply cos2 * x
6cos2x = 1

Solving
6cos2x = 1

Solving for variable 'c'.

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

Divide each side by '6os2x'.
c = 0.1666666667o-1s-2x-1

Simplifying
c = 0.1666666667o-1s-2x-1

See similar equations:

| 29.5-5.5=7.5(3x+3.5) | | -54=2(-9)-8(-9) | | 2c(c^2-6)=0 | | y=-34 | | 4x^3-40x^2-100x-48=0 | | 2(4s+8)=80 | | -15=-9(1)-6(1) | | 20x+10-14= | | -15=-9(-3)-6(-3) | | 5m^2-27m-18=0 | | (U+5)*8=64 | | 8(5x-8)=-384 | | 10t-6t=20 | | (Q-10)*2=4 | | -3w+3+4w= | | 15=13-8/4 | | 0=-5t^2+10t+3 | | 4x+0.28571429=3x | | 15=13-0/4 | | y=7.5x+20 | | 3(5y+4)=9 | | X-24/x=10 | | 2(n-3)+8=3m-8 | | 10-5x=47 | | -7=-7(-5+6) | | 0,5x-0,0025xx=9 | | 10=2x-17 | | 8=-8(2+2) | | -2/3sqrt63x^3 | | -2/3sqrt63x^2 | | -4x-12=-2 | | 1/8d-3(d-7)=5/1/8d-3 |

Equations solver categories