The value of cosechπi6 is
-2
2
-2i
2i
Explanation for correct option
Given hyperbolic function is cosechπi6
We know that
cosechxi=-icosecx∴cosechiπ6=-icosecπ6=-2i∵cosecπ6=2
Hence the correct option is OptionC
Find the value of i.ii is _______.