4sin^2x-2sinx-2=0

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Solution for 4sin^2x-2sinx-2=0 equation:


Simplifying
4sin2x + -2sinx + -2 = 0

Reorder the terms:
-2 + -2insx + 4in2sx = 0

Solving
-2 + -2insx + 4in2sx = 0

Solving for variable 'i'.

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

Add '2' to each side of the equation.
-2 + -2insx + 2 + 4in2sx = 0 + 2

Reorder the terms:
-2 + 2 + -2insx + 4in2sx = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -2insx + 4in2sx = 0 + 2
-2insx + 4in2sx = 0 + 2

Combine like terms: 0 + 2 = 2
-2insx + 4in2sx = 2

Reorder the terms:
-2 + -2insx + 4in2sx = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + -2insx + 4in2sx = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-1 + -1insx + 2in2sx) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-1 + -1insx + 2in2sx)' equal to zero and attempt to solve: Simplifying -1 + -1insx + 2in2sx = 0 Solving -1 + -1insx + 2in2sx = 0 Move all terms containing i to the left, all other terms to the right. Add '1' to each side of the equation. -1 + -1insx + 1 + 2in2sx = 0 + 1 Reorder the terms: -1 + 1 + -1insx + 2in2sx = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1insx + 2in2sx = 0 + 1 -1insx + 2in2sx = 0 + 1 Combine like terms: 0 + 1 = 1 -1insx + 2in2sx = 1 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.

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