sin^2(2x)-4sin(2x)-1=0

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Solution for sin^2(2x)-4sin(2x)-1=0 equation:


Simplifying
sin2(2x) + -4sin(2x) + -1 = 0

Remove parenthesis around (2x)
in2s * 2x + -4sin(2x) + -1 = 0

Reorder the terms for easier multiplication:
2in2s * x + -4sin(2x) + -1 = 0

Multiply in2s * x
2in2sx + -4sin(2x) + -1 = 0

Remove parenthesis around (2x)
2in2sx + -4ins * 2x + -1 = 0

Reorder the terms for easier multiplication:
2in2sx + -4 * 2ins * x + -1 = 0

Multiply -4 * 2
2in2sx + -8ins * x + -1 = 0

Multiply ins * x
2in2sx + -8insx + -1 = 0

Reorder the terms:
-1 + -8insx + 2in2sx = 0

Solving
-1 + -8insx + 2in2sx = 0

Solving for variable 'i'.

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

Add '1' to each side of the equation.
-1 + -8insx + 1 + 2in2sx = 0 + 1

Reorder the terms:
-1 + 1 + -8insx + 2in2sx = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -8insx + 2in2sx = 0 + 1
-8insx + 2in2sx = 0 + 1

Combine like terms: 0 + 1 = 1
-8insx + 2in2sx = 1

Reorder the terms:
-1 + -8insx + 2in2sx = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + -8insx + 2in2sx = 0

The solution to this equation could not be determined.

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