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

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


Simplifying
x = -1sin2(x) + -2cos(x)

Multiply in2s * x
x = -1in2sx + -2cos(x)

Multiply cos * x
x = -1in2sx + -2cosx

Reorder the terms:
x = -2cosx + -1in2sx

Solving
x = -2cosx + -1in2sx

Solving for variable 'x'.

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

Add '2cosx' to each side of the equation.
2cosx + x = -2cosx + 2cosx + -1in2sx

Combine like terms: -2cosx + 2cosx = 0
2cosx + x = 0 + -1in2sx
2cosx + x = -1in2sx

Add 'in2sx' to each side of the equation.
2cosx + in2sx + x = -1in2sx + in2sx

Combine like terms: -1in2sx + in2sx = 0
2cosx + in2sx + x = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(2cos + in2s + 1) = 0


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

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

Simplifying
x = 0

Subproblem 2
Set the factor '(2cos + in2s + 1)' equal to zero and attempt to solve:

Simplifying
2cos + in2s + 1 = 0

Reorder the terms:
1 + 2cos + in2s = 0

Solving
1 + 2cos + in2s = 0

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

Add '-1' to each side of the equation.
1 + 2cos + -1 + in2s = 0 + -1

Reorder the terms:
1 + -1 + 2cos + in2s = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2cos + in2s = 0 + -1
2cos + in2s = 0 + -1

Combine like terms: 0 + -1 = -1
2cos + in2s = -1

Add '-2cos' to each side of the equation.
2cos + -2cos + in2s = -1 + -2cos

Combine like terms: 2cos + -2cos = 0
0 + in2s = -1 + -2cos
in2s = -1 + -2cos

Add '-1in2s' to each side of the equation.
in2s + -1in2s = -1 + -2cos + -1in2s

Combine like terms: in2s + -1in2s = 0
0 = -1 + -2cos + -1in2s

Simplifying
0 = -1 + -2cos + -1in2s

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

See similar equations:

| 8((x+0.75))=-8 | | (2x*7)(5x*6)= | | f(x)=-sin^2(x)-2cos(x) | | 8((x+0.75))=8 | | 2(x-4)-5(6x-8)=3(x-4)-8x+3 | | 2h-8+7h=100 | | ((x))-7=-6 | | ((x))-7=6 | | 7385+(-67x)=5509 | | 9x*5x-6x*2= | | 3(x-5)-6(x-8)=3(x-4)-5(x-6) | | 82.50-8+2x= | | -2((h-7))=28 | | 15+.07=.12m | | (6x+8)+(6x-2)= | | -2((h-7))=-28 | | (4x+13)+6= | | 82.5-256+2x= | | 82.5-256+2x=338.5-82.50 | | -16t^2+58t+3=0 | | x^2-2x-2=o | | sinx=-0.40 | | 3(1-t)=16 | | w^2+4wj-32j^2=0 | | r=3(b-7) | | d=2m+2n | | (-2x^4)*(8x^7)= | | 1=3x-20 | | 6(x-5)=-2x+34 | | -42+8x=4x+18 | | (-8x^4)*(3x^6)= | | 4=-8u+4(u+6) |

Equations solver categories