[গণিত]
ক. [গণিত]
খ. [গণিত]
গ. [গণিত]
ঘ. [গণিত]
উত্তর: [গণিত]
ব্যাখ্যা: [গণিত]
HSC Higher Math 1st Paper MCQ — Prosthuti প্রশ্নব্যাংক
HSC · Higher Math 1st Paper · MCQ
- ক.\left[\[\begin{array}{cc}\sin \theta & \cos \theta \\ \cos \theta & \sin \theta\end{array}\]\right]
- খ.\left[\[\begin{array}{cc}\cos \theta & \sin \theta \\ -\sin \theta & \cos \theta\end{array}\]\right]
- গ.\left[\[\begin{array}{ll}\cos \theta & \sin \theta \\ \sin \theta & \cos \theta\end{array}\]\right]
- ঘ.\left[\[\begin{array}{cc}\sin \theta & -\cos \theta \\ \cos \theta & \sin \theta\end{array}\]\right]
উত্তর
\left[\[\begin{array}{cc}\cos \theta & \sin \theta \\ -\sin \theta & \cos \theta\end{array}\]\right]
