2sin(2x)-cos(x)=0

Simple and best practice solution for 2sin(2x)-cos(x)=0 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 2sin(2x)-cos(x)=0 equation:


Simplifying
2sin(2x) + -1cos(x) = 0

Remove parenthesis around (2x)
2ins * 2x + -1cos(x) = 0

Reorder the terms for easier multiplication:
2 * 2ins * x + -1cos(x) = 0

Multiply 2 * 2
4ins * x + -1cos(x) = 0

Multiply ins * x
4insx + -1cos(x) = 0

Multiply cos * x
4insx + -1cosx = 0

Reorder the terms:
-1cosx + 4insx = 0

Solving
-1cosx + 4insx = 0

Solving for variable 'c'.

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

Add '-4insx' to each side of the equation.
-1cosx + 4insx + -4insx = 0 + -4insx

Combine like terms: 4insx + -4insx = 0
-1cosx + 0 = 0 + -4insx
-1cosx = 0 + -4insx
Remove the zero:
-1cosx = -4insx

Divide each side by '-1osx'.
c = 4ino-1

Simplifying
c = 4ino-1

See similar equations:

| 12x+5=46+37 | | 4/5(x-10)=10 | | 12x-3=x+9 | | 15/(-3)*(-4) | | X+11=X+3 | | 19-3=19 | | 3-2lnx=0 | | b=15+8 | | 3y+8=-y | | L=A-C | | -x-2=3x+34 | | 12r^2-16= | | 5ln(x-3)=2 | | -2(x+1)=-2x+9 | | -17=-7+2x | | x^2+y+16=0 | | 3r^6-11r^5-20r^4= | | Cos(60)=x/5 | | 10-4x=3x-11 | | X-3/5y=-3 | | -15=-9x-6 | | 3x+7=10+y | | 4(4r-12)=32 | | 4(2y-3)=16 | | -26-7=-6(4-7) | | 2(2s+5)=22 | | v=3(v+5)-6v | | -3(v-2x+4)= | | 2(3h-7)=10 | | 56x+89y=55z | | 164=34-w | | 4(h-3)=0 |

Equations solver categories