How to calculate the Sine ?

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Thx. And fot the designs, have you some examples ? This one has benn made by me and is 2 ticks fast. I will certenly change the full adder, too. But now, after one week of works, corrections.... test :






Compteur = counter XD

All errors are near fixed. The results are always correct with a slow clock rate. But, the huge problems with that, is that system is very slow (I think). But it is the better way to have the sin and the cos of a angle.