Root 3 2 cos value July 8, 2019 16 32 64 128 Cos inverse root 3 by 2 value Cos root 3 by 2 ka value Cos minus root 3 by 2 value Cos root 3 by 2 ki value If cos a root 3 2 find the value of 1 tan a Cos inverse root 3 by 2 principal value Square root of 3 2+under root 3 Square root of three