What is the general solution for coth(z)=1 ?

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

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coth(z)=1

coth (z) = 1

No Solution for z \in R

Solution steps

coth (z) = 1

Rewrite using trig identities

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

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

No Solution for

z \in R

No Solution for z \in R

cos (10 x) = sin (5 x - 3)

13 tan (a) = 10, 0 b = 100

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\frac{sin ( 4 0 ^{\circ} )}{8} = \frac{sin ( 65.3 8 ^{\circ} )}{sin ( x )}

cos (28 π + x) = \frac{1}{2}

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