5cos(x)+2sin(2x)=0

Simple and best practice solution for 5cos(x)+2sin(2x)=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 5cos(x)+2sin(2x)=0 equation:


Simplifying
5cos(x) + 2sin(2x) = 0

Multiply cos * x
5cosx + 2sin(2x) = 0

Remove parenthesis around (2x)
5cosx + 2ins * 2x = 0

Reorder the terms for easier multiplication:
5cosx + 2 * 2ins * x = 0

Multiply 2 * 2
5cosx + 4ins * x = 0

Multiply ins * x
5cosx + 4insx = 0

Solving
5cosx + 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.
5cosx + 4insx + -4insx = 0 + -4insx

Combine like terms: 4insx + -4insx = 0
5cosx + 0 = 0 + -4insx
5cosx = 0 + -4insx
Remove the zero:
5cosx = -4insx

Divide each side by '5osx'.
c = -0.8ino-1

Simplifying
c = -0.8ino-1

See similar equations:

| 23+h=36 | | -2(x+2)=4-(-5) | | 9d-4d-d+15=95 | | (3y+3)(3y+3)=81 | | 5-2x=-1x-7 | | 12x-8=4x-64 | | -3t-7=16 | | -19c+6c+10c=-18 | | -12=0.5x-0.8x | | -5w+3w+4=18 | | -80(p^2+32+220)=0 | | 3(s-12)=9 | | 5y-11-3y=-13-8 | | x^2+4bx+2x=8 | | 7g-4g-g=10 | | -37+37=-16p-11p | | (x+4)+3(x+5)=51 | | 0.44xy=0.0044 | | n+12=13 | | (-w+6)-(-9w+10)= | | -120=-13x-7x | | 5(y+5)-8y=-2 | | -2(d-2)+4=-12 | | 3*3+x=x*3-2 | | 7c-6=15 | | 8.5x-2(2x+8)= | | 12a-10a-a+2=10 | | 15r+9=60 | | 15d-8d-7=7 | | 3*3+x=2*3-2x | | -4b+-5b=9 | | 3n+6n+-10n+-13=-5 |

Equations solver categories