Asaḍuf n id kusinus

Ɣ uskriɣmr, asaḍuf n id kusinus (ittawsan ula s yism n tanfalit n kusinus nɣ askkud n Al Kaci) tga yan usaḍuf nna ismunn tiɣziwin n tasgiwin n kra n umkṛaḍ d kusinus n yan zɣ tiɣmriwin. S uswuri n tirra zund tin Fig. 1, asaḍuf n iwankn n id kusinus

maɣ  tga tiɣmrt lli illan gr tiɣziwin  d  d tasga tamuzzlt n . I tawlaft ann nit rad darnɣ ilin ula :

Asaḍuf n id kusinus ar tskar asmata i askkud n Pitaguras, nna ur illan dar imkṛaḍn unziɣn : iɣ tga  tiɣmrt taɣadant (nna dar illa 90 daraja, nɣ  s raḍyan), hann , s ɣmk ad as iskar usaḍuf n id kusinus asmata i askkud n Pitaguras : .

Ar nswurri s usaḍuf n id kusinus iɣ nra ad nḥasb tiɣmrt tiss kraḍt n kra n umkṛaḍ iɣ yad tawssan darnɣ snat tasgiwin d tiɣmrt nnsn iqqnn, d ula ɣ lḥsab n tiɣmriwin n kra n umkṛaḍ iɣ yad ttawssan darnɣ tasgiwin nns s kraḍ-itsnt.

Amawal
Asaḍuf = loi
Tanfalit = formule
Askkud = theoreme
Amkṛaḍ = triangle
Tiɣmrt = angle
Awank = etat
Amuzzl = opposant
Asmata = generalisation
Unziɣ = rectangle
Taɣadant = droit

 Ẓṛ uggar 
 Asaḍuf n id sinus
 Sinus (tusnakt)

 Tisaɣulin  



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