3.7-bo'lim : Teskari trig funksiyalarining hosilalari
1. \(T\left( z \right) = 2\cos \left( z \right) + 6{\cos ^{ - 1}}\left( z \right)\) ni farqlang.
Yechim
Bu erda sinfdagi formulalar yordamida hosila olishdan boshqa narsa qilish kerak emas.
\[\require{bbox} \bbox[2pt,border:1px solid black]{{T'\left( z \right) = - 2\sin \left( z \right) - \frac{6}{{\sqrt {1 - {z^2}} }}}}\]