Question: How to prevent immediate evaluation of trig function?

When typing 


Maple evaluates the intermediate result which is cos(2*Pi/3)+I*sin(2*Pi/3) and  gives

Is there a way to tell it not to do this? I'd like to see the result as when typing


Is there an option or method to tell Maple not to immediate evaluation in the above? it can do evaluate next time the expression is used.


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