Cos^2x=sin^2x+2cos^2x-1

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


Simplifying
Cos2x = sin2x + 2cos2x + -1

Reorder the terms:
os2xC = -1 + 2cos2x + in2sx

Solving
os2xC = -1 + 2cos2x + in2sx

Solving for variable 'o'.

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

Add '-2cos2x' to each side of the equation.
-2cos2x + os2xC = -1 + 2cos2x + -2cos2x + in2sx

Combine like terms: 2cos2x + -2cos2x = 0
-2cos2x + os2xC = -1 + 0 + in2sx
-2cos2x + os2xC = -1 + in2sx

Reorder the terms:
1 + -2cos2x + -1in2sx + os2xC = -1 + in2sx + 1 + -1in2sx

Reorder the terms:
1 + -2cos2x + -1in2sx + os2xC = -1 + 1 + in2sx + -1in2sx

Combine like terms: -1 + 1 = 0
1 + -2cos2x + -1in2sx + os2xC = 0 + in2sx + -1in2sx
1 + -2cos2x + -1in2sx + os2xC = in2sx + -1in2sx

Combine like terms: in2sx + -1in2sx = 0
1 + -2cos2x + -1in2sx + os2xC = 0

The solution to this equation could not be determined.

See similar equations:

| -10log(x)=8.76 | | -10logx=8.76 | | 61+3x=11-8x | | Cos^2-sin^2x=2cos^2x-1 | | -5+14=12x-3-11x | | (x-4)/2=7 | | -9+log(5x+6)=-7 | | 4x-17=2x+8 | | 180-123= | | 5X+5+2Y=20 | | 4t-8=5(t-6) | | 15-n=5.6 | | 5x+6=160 | | 2.2=x-58/43 | | Y/(y-4) | | 5X+2Y-1=20 | | y=4y-3 | | 10-3x-7-11x=5 | | (2a+5b)(-4a+b)= | | 6x+7y=200 | | 32-16=2(x-5) | | 55+5y-10=16y-11-3y | | 14x-161=6x-9 | | -4(-2k-4)=3(2k+8) | | 2-10z= | | X+18+2x=-22-2x-25 | | 5(9b-4)=25+3b | | 6x+8=16+4x | | 0.1x-0.9x-55=1 | | .25/5.50= | | (2x-3)/5 | | 8-7x-6-5x=5 |

Equations solver categories