`(1)/(sqrt(2))LOG|tan((x)/(2)+(PI)/(8))|``(1)/(sqrt(2))log|tan((x)/(8)+(x)/(2))|``(1)/(sqrt(2))log|tan((x)/(2)-(3PI)/(8))|``log|"cos"(x)/(2)|`
Your experience on this site will be improved by allowing cookies. Read Cookie Policy