Involving sech^{-1}(z+1/z^{1/2})

Involving sech^{-1}(z+1/z^{1/2}) and cot^{-1}(z^{1/2})

Involving sech^{-1}(z+1/z^{1/2}) and cot^{-1}(1/z^{1/2})