8cos^2(5x)=4

Simple and best practice solution for 8cos^2(5x)=4 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 8cos^2(5x)=4 equation: 


Simplifying
8cos2(5x) = 4

Remove parenthesis around (5x)
8cos2 * 5x = 4

Reorder the terms for easier multiplication:
8 * 5cos2 * x = 4

Multiply 8 * 5
40cos2 * x = 4

Multiply cos2 * x
40cos2x = 4

Solving
40cos2x = 4

Solving for variable 'c'.

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

Divide each side by '40os2x'.
c = 0.1o-1s-2x-1

Simplifying
c = 0.1o-1s-2x-1

See similar equations:

| -19x-17=-169 | | 9=8*7 | | 5.5m=-33 | | 2/x^(5/3)=64 | | 148+2x=193+1x | | 2/x^(-5/3)=64 | | .03x+2.6x=5.7-1.8+2.8x | | w-16=23 | | -2+5i= | | 5.25x=-73.5 | | 15h-19=11h+1 | | F(5)=2*5+8 | | 12b+45=19b-25 | | 12+3x=32 | | 9x+7y=66 | | F(4)=2*4+8 | | 11.2=Y/7 | | .90x+.20(90)=.80(x+90) | | y-6-3=-11 | | 12t+53=21t-100 | | 4+5w=-11 | | -3(6+x)=24 | | 5sin(3x+4)=0 | | 3(2x+4)=350 | | 77-f=36 | | 2x+7x^2-4=0 | | G+28=9g-36 | | 5sin[3(x+4)]=0 | | 4f+40=6f-40 | | -3x-13=2x-23 | | (-4c+1)(8)= | | n^2+4n-89=0 |

Equations solver categories