tan^3x-1=3tan^2x-3tanx

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Solution for tan^3x-1=3tan^2x-3tanx equation:


Simplifying
tan3x + -1 = 3tan2x + -3tanx

Reorder the terms:
-1 + an3tx = 3tan2x + -3tanx

Reorder the terms:
-1 + an3tx = -3antx + 3an2tx

Solving
-1 + an3tx = -3antx + 3an2tx

Solving for variable 'a'.

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

Add '3antx' to each side of the equation.
-1 + 3antx + an3tx = -3antx + 3antx + 3an2tx

Combine like terms: -3antx + 3antx = 0
-1 + 3antx + an3tx = 0 + 3an2tx
-1 + 3antx + an3tx = 3an2tx

Add '-3an2tx' to each side of the equation.
-1 + 3antx + -3an2tx + an3tx = 3an2tx + -3an2tx

Combine like terms: 3an2tx + -3an2tx = 0
-1 + 3antx + -3an2tx + an3tx = 0

Add '1' to each side of the equation.
-1 + 3antx + -3an2tx + 1 + an3tx = 0 + 1

Reorder the terms:
-1 + 1 + 3antx + -3an2tx + an3tx = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 3antx + -3an2tx + an3tx = 0 + 1
3antx + -3an2tx + an3tx = 0 + 1

Combine like terms: 0 + 1 = 1
3antx + -3an2tx + an3tx = 1

Reorder the terms:
-1 + 3antx + -3an2tx + an3tx = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + 3antx + -3an2tx + an3tx = 0

The solution to this equation could not be determined.

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