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lvl10720-Turquoise
20-Turquoise
January 15, 2017
Solved

How to solve [tan(ln(x))]^2 = -1 ?

  Hello, Everyone

(1).PNG

  How to solve [tan(ln(x))]^2 = -1 ?

      Thanks in advance.

            Regards.

Werner_E
Werner_EAnswer
25-Diamond I
January 16, 2017

There is no solution!

Why do you think that this is a solution??? Its obviously not:

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5 replies

Werner_E
Werner_E25-Diamond I
25-Diamond I
January 15, 2017

  How to solve [tan(ln(x))]^2 = -1 ?

Why do you think that this equation is solvable? It is not!! No solution exists!

Because tan(x)=i has no solution!  atan(i) is undefined (singularity).

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lvl10720-TurquoiseAuthor
20-Turquoise
January 16, 2017

But I still guess :

(2).PNG

Furthermore :

(3).PNG

(4).PNG

                Regards.

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Werner_E
Werner_E25-Diamond IAnswer
25-Diamond I
January 16, 2017

There is no solution!

Why do you think that this is a solution??? Its obviously not:

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-MFra-21-Topaz II
21-Topaz II
January 16, 2017

Hi Loi Le,

I'm sorry, Ivn't reed the other answers.

tantan.jpg

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