2+sen^2(x)+cos(2x)=4*cos^2(x)

Simple and best practice solution for 2+sen^2(x)+cos(2x)=4*cos^2(x) 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 2+sen^2(x)+cos(2x)=4*cos^2(x) equation:


Simplifying
2 + sen2(x) + cos(2x) = 4cos2(x)

Multiply en2s * x
2 + en2sx + cos(2x) = 4cos2(x)

Remove parenthesis around (2x)
2 + en2sx + cos * 2x = 4cos2(x)

Reorder the terms for easier multiplication:
2 + en2sx + 2cos * x = 4cos2(x)

Multiply cos * x
2 + en2sx + 2cosx = 4cos2(x)

Reorder the terms:
2 + 2cosx + en2sx = 4cos2(x)

Multiply cos2 * x
2 + 2cosx + en2sx = 4cos2x

Solving
2 + 2cosx + en2sx = 4cos2x

Solving for variable 'c'.

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

Add '-4cos2x' to each side of the equation.
2 + 2cosx + -4cos2x + en2sx = 4cos2x + -4cos2x

Combine like terms: 4cos2x + -4cos2x = 0
2 + 2cosx + -4cos2x + en2sx = 0

Add '-2' to each side of the equation.
2 + 2cosx + -4cos2x + -2 + en2sx = 0 + -2

Reorder the terms:
2 + -2 + 2cosx + -4cos2x + en2sx = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 2cosx + -4cos2x + en2sx = 0 + -2
2cosx + -4cos2x + en2sx = 0 + -2

Combine like terms: 0 + -2 = -2
2cosx + -4cos2x + en2sx = -2

Add '-1en2sx' to each side of the equation.
2cosx + -4cos2x + en2sx + -1en2sx = -2 + -1en2sx

Combine like terms: en2sx + -1en2sx = 0
2cosx + -4cos2x + 0 = -2 + -1en2sx
2cosx + -4cos2x = -2 + -1en2sx

Reorder the terms:
2 + 2cosx + -4cos2x + en2sx = -2 + -1en2sx + 2 + en2sx

Reorder the terms:
2 + 2cosx + -4cos2x + en2sx = -2 + 2 + -1en2sx + en2sx

Combine like terms: -2 + 2 = 0
2 + 2cosx + -4cos2x + en2sx = 0 + -1en2sx + en2sx
2 + 2cosx + -4cos2x + en2sx = -1en2sx + en2sx

Combine like terms: -1en2sx + en2sx = 0
2 + 2cosx + -4cos2x + en2sx = 0

The solution to this equation could not be determined.

See similar equations:

| 2q-24=q | | 5x-7x+10=2+9 | | 22n-43=n+20 | | logpq/r | | 5(k+2)-9(k-4)=105 | | 2(4x+7)=-46 | | (7,500-250x)/(750-25x) | | 5(5+2)-9(k-4)=105 | | 1/5-1/x/1-25/x² | | x^2+7x-5=13 | | 5(5+2)-9(k-4)=2 | | b-4/6=b/ | | 23j=-115 | | 32-4w=16+12w | | -2k=-436 | | -6y=492 | | -16j=-912 | | 82=17 | | 230=-10f | | 2+12n=6n+44 | | 5x-2(x-11)=-119 | | -28=12-2a-6a | | -2(2x+2)-3(1-x)=3(5x+2)-5 | | Y=-16t+100t+20 | | 66=-6(y+1) | | 5x-2x(x-11)=-14 | | -5(b-7)=-20 | | b=3x+66 | | 4/7*5/6 | | 1/200×150 | | 6a+9=4a+28 | | Y=-16t^2+100t+20 |

Equations solver categories