2cos(x+20)=1

Simple and best practice solution for 2cos(x+20)=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 2cos(x+20)=1 equation: 


Simplifying
2cos(x + 20) = 1

Reorder the terms:
2cos(20 + x) = 1
(20 * 2cos + x * 2cos) = 1
(40cos + 2cosx) = 1

Solving
40cos + 2cosx = 1

Solving for variable 'c'.

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

Reorder the terms:
-1 + 40cos + 2cosx = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + 40cos + 2cosx = 0

The solution to this equation could not be determined.

See similar equations:

| (x+1)+(x+2)+(x+3)+(x+4)+(x+5)=30 | | 2(3m-4)=3m-8 | | f(x)=-16x^2+32x+20 | | 2h-4/-2=-3 | | x^2-4*x=0 | | 5x-3/4=2x1/4 | | 10-2(4-3x)=-4 | | 2011-78= | | 4x+4-4x-8=192 | | 2x+4-2x=24 | | 4040+3225+2000+x=2x | | 0+2000+x=2.9x | | x^2-12x+22=-14 | | 2(4x-3)+4=5+-6 | | 2x+2-2x=24 | | 3x(2x-9)+6x=-19 | | .60x=360 | | x^6+21x-22=0 | | x^6+21x+22=0 | | %0f18 | | x-0.3x=18500 | | 4.1x+12.067y+0=0.667 | | x+.60x= | | (d^2-5d+6)y=sin(3x+z) | | 4x^2-20x+k=4x^2-2xa+a^2 | | (d^2+4d+3)y=e^3x | | 4xa-a^2=20x-k | | abs(x-2)+x^2-4x=0 | | (d^2+2d+4)y=0 | | 3(a+5)=2(a+6) | | 3(2x+5)-3x=6 | | 9x-3x=-10 |

Equations solver categories