What is the general solution for tanh(x)=1 ?

The general solution for tanh(x)=1 is No Solution for x\in\mathbb{R}

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tanh(x)=1

tanh (x) = 1

No Solution for x \in R

Solution steps

tanh (x) = 1

Rewrite using trig identities

\frac{e ^{x} - e ^{- x}}{e ^{x} + e ^{- x}} = 1

\frac{e ^{x} - e ^{- x}}{e ^{x} + e ^{- x}} = 1 :

No Solution for

x \in R

No Solution for x \in R

tan (θ) = \frac{1}{3}

sin (θ) = \frac{20}{29}

2 cos (\frac{1}{2} x) - 3 = 0

4 cos (θ) = 2

20 cos^{6} (x) - 57 cos^{4} (x) + 27 cos^{2} (x) = 0

What is the general solution for tanh(x)=1 ?
The general solution for tanh(x)=1 is No Solution for x\in\mathbb{R}