4cos^2x+9sen^2x=1

Simple and best practice solution for 4cos^2x+9sen^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 4cos^2x+9sen^2x=1 equation: 


Simplifying
4cos2x + 9sen2x = 1

Solving
4cos2x + 9en2sx = 1

Solving for variable 'c'.

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

Add '-9en2sx' to each side of the equation.
4cos2x + 9en2sx + -9en2sx = 1 + -9en2sx

Combine like terms: 9en2sx + -9en2sx = 0
4cos2x + 0 = 1 + -9en2sx
4cos2x = 1 + -9en2sx

Divide each side by '4os2x'.
c = 0.25o-1s-2x-1 + -2.25en2o-1s-1

Simplifying
c = 0.25o-1s-2x-1 + -2.25en2o-1s-1

Reorder the terms:
c = -2.25en2o-1s-1 + 0.25o-1s-2x-1

See similar equations:

| 39+3x=15+x | | 28+x=46 | | 15(1x)=39(3x) | | 3x-2=-x-8 | | Y=8(2)-1 | | y=w-n/2 | | (2x+5)(x-3)=40 | | 5x-3=-4x+6 | | y=2/w-n | | 5n-19=13n-35 | | -2/3(x-5) | | 5y-7(3x)=1(11+y) | | 8r-17=6r+1 | | 360x-160y=110 | | n-5=5(n-8)-9 | | 2p-2=3p-7 | | 390x-130y=130 | | (3/5)*10 | | 3(6y+5)=24+8y | | 9/32-3/8 | | 5t^2+8t-120=0 | | 4x*5x=500 | | 7/32-1/4 | | 960=-16tsquared+8t+960 | | 13x+4+17=180 | | 3+2a-1=4a-2 | | 5x-3+13x+4=180 | | (4n-1)(3n+4)=0 | | z=2i | | -5=n-6n | | 3p-3=2p+1 | | 11x-23=180 |

Equations solver categories