tan(x)=-0.4

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Solution for tan(x)=-0.4 equation: 


Simplifying
tan(x) = -0.4

Multiply ant * x
antx = -0.4

Solving
antx = -0.4

Solving for variable 'a'.

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

Divide each side by 'ntx'.
a = -0.4n-1t-1x-1

Simplifying
a = -0.4n-1t-1x-1

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