when ever i am inserting any of the symbols like cosec^2Ɵ (cosec power 2) it will display inline. i won't that to be displayed with raise to 2 or subscript or superscript of it.

How to get Displayed that using utf-8 unicode characset ?

Is your table column a varchar utf-8?

When you set it up, did you use this syntax:
myColumn varchar(10) character set utf8

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