sin(4x)=-2*sin(2x)

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Solution for sin(4x)=-2*sin(2x) equation:


Simplifying
sin(4x) = -2sin(2x)

Remove parenthesis around (4x)
ins * 4x = -2sin(2x)

Reorder the terms for easier multiplication:
4ins * x = -2sin(2x)

Multiply ins * x
4insx = -2sin(2x)

Remove parenthesis around (2x)
4insx = -2ins * 2x

Reorder the terms for easier multiplication:
4insx = -2 * 2ins * x

Multiply -2 * 2
4insx = -4ins * x

Multiply ins * x
4insx = -4insx

Solving
4insx = -4insx

Solving for variable 'i'.

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

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

Combine like terms: 4insx + 4insx = 8insx
8insx = -4insx + 4insx

Combine like terms: -4insx + 4insx = 0
8insx = 0

Divide each side by '8'.
insx = 0

Simplifying
insx = 0

The solution to this equation could not be determined.

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