Involving coth^-1((z²-1)^1/2+c z)

Involving coth^-1((z²-1)^1/2+z) and tanh^-1(z)

Involving coth^-1((z²-1)^1/2+z) and tanh^-1(1/z)

Involving coth^-1((z²-1)^1/2-z) and tanh^-1(z)

Involving coth^-1((z²-1)^1/2-z) and tanh^-1(1/z)