Sec inverse 2 root 3 July 8, 2019 16 32 64 128 Sec inverse 2 upon root 3 Sec inverse minus 2 by root 3 Value of sec inverse minus 2 by root 3 Tan inverse root 3 sec inverse (- 2 Tan inverse root 3 sec inverse (- 2 formula Inverse of square root Square root of 3 2+under root 3 Square root of 2 is irrational proof by contradiction