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TMS320F280049: fast arc cosine computation

Part Number: TMS320F280049
Other Parts Discussed in Thread: C2000WARE

Dear Champs

i am asking this for our customer. 
For CPU, do we have arc cosine (acos) in TMU?
It seems we have arc tangent, but we don’t see arc cosine. Is it right?

if TMU does not support arc cosine, do we have any library with optimization for it?

Wayne