cos^2x=-1

Simple and best practice solution for cos^2x=-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 cos^2x=-1 equation: 


Simplifying
cos2x = -1

Solving
cos2x = -1

Solving for variable 'c'.

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

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

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

See similar equations:

| 21*3.14*m^2=a | | 2(3+19r)+18= | | -8(-5x+6)=192 | | 5/15=x/18 | | 3x+6-(x-1)=17 | | X^2+5x-30=5x+6 | | 6x^5-6=0 | | 12+x/-4=-5 | | 77=9/5x+32 | | -5(x-1)=40 | | 11(-15p-13)+14= | | -9(5x-13)=-378 | | -3=3(x+4) | | 4n+6=13*2 | | 6(y+4)/3=16 | | -4(3x+11)=-4 | | -8=7x-13/-8 | | 14x+18-10+7x= | | 14x^2-x-4=0 | | 6+4m-9= | | -252=-10x-92 | | x^3-64i=0 | | X^2+7x+24=12x+4 | | 4=-(5+9x) | | (x^4+3x^3-14x^2-48x-32)/(x^2-16) | | 9-2d+14d-17= | | 17(t-3)+4t=7(3t+5)-11 | | -2(-5x+6)=18 | | -3x-134=86+7x | | -6(7x-2)=-366 | | 6/7p=9/14 | | 5-x^2=21 |

Equations solver categories