(sinx-1)*(2cosx-1)-3cosx=0

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Solution for (sinx-1)*(2cosx-1)-3cosx=0 equation:


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

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

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

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

Reorder the terms:
(1 + -2cosx + (2cinos2x2 + -1insx)) + -3cosx = 0
(1 + -2cosx + (2cinos2x2 + -1insx)) + -3cosx = 0

Reorder the terms:
(1 + 2cinos2x2 + -2cosx + -1insx) + -3cosx = 0
(1 + 2cinos2x2 + -2cosx + -1insx) + -3cosx = 0

Reorder the terms:
1 + 2cinos2x2 + -2cosx + -3cosx + -1insx = 0

Combine like terms: -2cosx + -3cosx = -5cosx
1 + 2cinos2x2 + -5cosx + -1insx = 0

Solving
1 + 2cinos2x2 + -5cosx + -1insx = 0

Solving for variable 'c'.

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

Add '-1' to each side of the equation.
1 + 2cinos2x2 + -5cosx + -1 + -1insx = 0 + -1

Reorder the terms:
1 + -1 + 2cinos2x2 + -5cosx + -1insx = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 2cinos2x2 + -5cosx + -1insx = 0 + -1
2cinos2x2 + -5cosx + -1insx = 0 + -1

Combine like terms: 0 + -1 = -1
2cinos2x2 + -5cosx + -1insx = -1

Add 'insx' to each side of the equation.
2cinos2x2 + -5cosx + -1insx + insx = -1 + insx

Combine like terms: -1insx + insx = 0
2cinos2x2 + -5cosx + 0 = -1 + insx
2cinos2x2 + -5cosx = -1 + insx

Reorder the terms:
1 + 2cinos2x2 + -5cosx + -1insx = -1 + insx + 1 + -1insx

Reorder the terms:
1 + 2cinos2x2 + -5cosx + -1insx = -1 + 1 + insx + -1insx

Combine like terms: -1 + 1 = 0
1 + 2cinos2x2 + -5cosx + -1insx = 0 + insx + -1insx
1 + 2cinos2x2 + -5cosx + -1insx = insx + -1insx

Combine like terms: insx + -1insx = 0
1 + 2cinos2x2 + -5cosx + -1insx = 0

The solution to this equation could not be determined.

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