sin(-x)=-cosx

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Solution for sin(-x)=-cosx equation:


Simplifying
sin(-1x) = -1cosx

Remove parenthesis around (-1x)
ins * -1x = -1cosx

Reorder the terms for easier multiplication:
-1ins * x = -1cosx

Multiply ins * x
-1insx = -1cosx

Solving
-1insx = -1cosx

Solving for variable 'i'.

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

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

Simplifying
i = cn-1o

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