Saved Bookmarks
| 1. |
\left| \begin{array}{ccc}{\cos \alpha \cos \beta} & {\cos \alpha \sin \beta} & {-\sin \alpha} \\ {-\sin \beta} & {\cos \beta} & {0} \\ {\sin \alpha \cos \beta} & {\sin \alpha \sin \beta} & {\cos \alpha}\end{array}\right| का मान ज्ञात कीजिए।sina cosp sino sinf cosa |
| Answer» | |