MCQ
$\left|\begin{array}{cc}\cos \theta & -\sin \theta \\ \sin \theta & \cos \theta\end{array}\right|=$
- A$\cos 2 \theta$
- ✓1
- C$0$
- D-1
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| X | 2 | 3 | 4 | 5 |
| $P(X)$ | $\frac{5}{k}$ | $\frac{7}{k}$ | $\frac{9}{k}$ | $\frac{11}{k}$ |