tan(-x)=-sin(2x)

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Solution for tan(-x)=-sin(2x) equation:


Simplifying
tan(-1x) = -1sin(2x)

Remove parenthesis around (-1x)
ant * -1x = -1sin(2x)

Reorder the terms for easier multiplication:
-1ant * x = -1sin(2x)

Multiply ant * x
-1antx = -1sin(2x)

Remove parenthesis around (2x)
-1antx = -1ins * 2x

Reorder the terms for easier multiplication:
-1antx = -1 * 2ins * x

Multiply -1 * 2
-1antx = -2ins * x

Multiply ins * x
-1antx = -2insx

Solving
-1antx = -2insx

Solving for variable 'a'.

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

Divide each side by '-1ntx'.
a = 2ist-1

Simplifying
a = 2ist-1

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