Invesi ya tangent m'magiradi (DRG: RAD → GRAD)

Dinani kachiwiri kuti muchoke pa maradiyani kupita ku magiradi. Cholembedwa cha lalanje pamwamba pa tan ndi invesi ya tangent; dinani , kenako , lembani 1, ndipo dinani . Ngodya ya $\displaystyle 90^{\circ}$ ndi magiradi 100, choncho yankho ndi 50.. Dinani kamodzinso kuti mubwerere ku madigiri.

▶ Onani sitepe iyi mu vidiyo (23:09)