Malire a mayankho a invesi

Chinthu china chimodzi pa ntchito za invesi. Invesi ya sine ndi invesi ya tangent nthawi zonse zimayankha pakati pa $\displaystyle -90^{\circ}$ ndi $\displaystyle 90^{\circ}$, ndipo invesi ya cosine pakati pa $\displaystyle 0^{\circ}$ ndi $\displaystyle 180^{\circ}$. M'maradiyani, ndi $\displaystyle -\frac{\pi}{2}$ mpaka $\displaystyle \frac{\pi}{2}$, ndi $\displaystyle 0$ mpaka $\displaystyle \pi$. M'magiradi, $\displaystyle -100$ mpaka $\displaystyle 100$, ndi $\displaystyle 0$ mpaka $\displaystyle 200$.

▶ Onani sitepe iyi mu vidiyo (34:12)