(3cosx+7)(-2sinx-1)=0

Simple and best practice solution for (3cosx+7)(-2sinx-1)=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 (3cosx+7)(-2sinx-1)=0 equation:


Simplifying
(3cosx + 7)(-2sinx + -1) = 0

Reorder the terms:
(7 + 3cosx)(-2sinx + -1) = 0

Reorder the terms:
(7 + 3cosx)(-1 + -2insx) = 0

Multiply (7 + 3cosx) * (-1 + -2insx)
(7(-1 + -2insx) + 3cosx * (-1 + -2insx)) = 0
((-1 * 7 + -2insx * 7) + 3cosx * (-1 + -2insx)) = 0
((-7 + -14insx) + 3cosx * (-1 + -2insx)) = 0
(-7 + -14insx + (-1 * 3cosx + -2insx * 3cosx)) = 0

Reorder the terms:
(-7 + -14insx + (-6cinos2x2 + -3cosx)) = 0
(-7 + -14insx + (-6cinos2x2 + -3cosx)) = 0

Reorder the terms:
(-7 + -6cinos2x2 + -3cosx + -14insx) = 0
(-7 + -6cinos2x2 + -3cosx + -14insx) = 0

Solving
-7 + -6cinos2x2 + -3cosx + -14insx = 0

Solving for variable 'c'.

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

Add '7' to each side of the equation.
-7 + -6cinos2x2 + -3cosx + 7 + -14insx = 0 + 7

Reorder the terms:
-7 + 7 + -6cinos2x2 + -3cosx + -14insx = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -6cinos2x2 + -3cosx + -14insx = 0 + 7
-6cinos2x2 + -3cosx + -14insx = 0 + 7

Combine like terms: 0 + 7 = 7
-6cinos2x2 + -3cosx + -14insx = 7

Add '14insx' to each side of the equation.
-6cinos2x2 + -3cosx + -14insx + 14insx = 7 + 14insx

Combine like terms: -14insx + 14insx = 0
-6cinos2x2 + -3cosx + 0 = 7 + 14insx
-6cinos2x2 + -3cosx = 7 + 14insx

Reorder the terms:
-7 + -6cinos2x2 + -3cosx + -14insx = 7 + 14insx + -7 + -14insx

Reorder the terms:
-7 + -6cinos2x2 + -3cosx + -14insx = 7 + -7 + 14insx + -14insx

Combine like terms: 7 + -7 = 0
-7 + -6cinos2x2 + -3cosx + -14insx = 0 + 14insx + -14insx
-7 + -6cinos2x2 + -3cosx + -14insx = 14insx + -14insx

Combine like terms: 14insx + -14insx = 0
-7 + -6cinos2x2 + -3cosx + -14insx = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(7 + 6cinos2x2 + 3cosx + 14insx) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(7 + 6cinos2x2 + 3cosx + 14insx)' equal to zero and attempt to solve: Simplifying 7 + 6cinos2x2 + 3cosx + 14insx = 0 Solving 7 + 6cinos2x2 + 3cosx + 14insx = 0 Move all terms containing c to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + 6cinos2x2 + 3cosx + -7 + 14insx = 0 + -7 Reorder the terms: 7 + -7 + 6cinos2x2 + 3cosx + 14insx = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 6cinos2x2 + 3cosx + 14insx = 0 + -7 6cinos2x2 + 3cosx + 14insx = 0 + -7 Combine like terms: 0 + -7 = -7 6cinos2x2 + 3cosx + 14insx = -7 Add '-14insx' to each side of the equation. 6cinos2x2 + 3cosx + 14insx + -14insx = -7 + -14insx Combine like terms: 14insx + -14insx = 0 6cinos2x2 + 3cosx + 0 = -7 + -14insx 6cinos2x2 + 3cosx = -7 + -14insx The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| 7x-(-3x-14)=42 | | 4t^2-4t-80=0 | | -5x-3y=-1 | | 4.5=-.6x | | 2t^2+12t+16=0 | | -.3x+2.69=-.5x+4.49 | | 5t+10(t+11)+25(t+2)=760 | | (2y+7)(y+8)=0 | | -.03x+2.69=-.5x+4.49 | | 9/10c+1/5c=1/2 | | 8/y=20/15 | | 9X-1=-6 | | .3x+2.69=.5x+4.49 | | 0.08t+0.09(t+500)=96 | | -4(2y-7)-y=-3(y-2) | | 4(x-6)=16-6x | | 25t^2-25t-500=0 | | x+3=6x+18 | | 0.2a+0.4(35-a)=9 | | 5t^2+40t+80=0 | | -0.4x+.8x+8=-2 | | 0.2(15y+15)-7=-0.2(5y-20) | | 0.4t+0.6(17-t)=7.8 | | 7+(2a-3)=-9 | | 0.6k+0.25=0.50+0.625k | | 2.5(x+6)=6+1.6x | | 7+b=-8 | | 2(3+v)=2v+22 | | 1/2(4x-7) | | -1.2x+8x+8=-2 | | 6-0.5(q-17)=0.2(12q-17) | | 1000=P(1+.0642*.59615) |

Equations solver categories