// 2 / 2 \ \ / 2 \ / / 2 \ \ / 2 \ \ 2*\\1 + tan (x) + x*\1 + tan (x)/*tan(x)/*tanh(x) - \-1 + tanh (x)/*\x*\1 + tan (x)/ + tan(x)/ + x*\-1 + tanh (x)/*tan(x)*tanh(x)/
/ / 2 \ / 2 / 2 \ \ / 2 \ / / 2 \\ / 2 \ / / 2 \ \ / 2 \ / 2 \ \ 2*\- 3*\-1 + tanh (x)/*\1 + tan (x) + x*\1 + tan (x)/*tan(x)/ + \1 + tan (x)/*\3*tan(x) + x*\1 + 3*tan (x)//*tanh(x) + 3*\-1 + tanh (x)/*\x*\1 + tan (x)/ + tan(x)/*tanh(x) - x*\-1 + tanh (x)/*\-1 + 3*tanh (x)/*tan(x)/