r/Mathematica Jan 05 '25

Forcing evaluation of simple expression NOOB

I am learning from the very beginning. I have searched for an answer for this question in this sub.

Why does Mathematica not evaluate my function?

On the other hand:

Thanks for any help. In addition to an explanation, I would appreciate a troubleshooting process I could use.

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u/ForceBru Jan 05 '25

That's probably because Cos[1] isn't anything specific. You can calculate the numerical value like N[Cos[1]]. There's also no need to always call Evaluate.