-sin(4x)=cos(4x)

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Solution for -sin(4x)=cos(4x) equation:


Simplifying
-1sin(4x) = cos(4x)

Remove parenthesis around (4x)
-1ins * 4x = cos(4x)

Reorder the terms for easier multiplication:
-1 * 4ins * x = cos(4x)

Multiply -1 * 4
-4ins * x = cos(4x)

Multiply ins * x
-4insx = cos(4x)

Remove parenthesis around (4x)
-4insx = cos * 4x

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

Multiply cos * x
-4insx = 4cosx

Solving
-4insx = 4cosx

Solving for variable 'i'.

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

Divide each side by '-4nsx'.
i = -1cn-1o

Simplifying
i = -1cn-1o

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