MCQ
$\left|\begin{array}{cc}\sec 7^{\circ}+1 & \operatorname{cosec} 83^{\circ} \\ \operatorname{cosec} 83^{\circ} & \sec 7^{\circ}-1\end{array}\right|=$_______.
- A$\frac{1}{2}$
- B$0$
- ✓$-1$
- D1
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\begin{array}{|l|l|l|l|l|l|} \hline X=x & 0 & 1 & 2 & 3 & 4 \\ \hline P(X=x) & \frac{1}{3} & \frac{1}{2} & 0 & \frac{1}{6} & 0 \\ \hline \end{array}$
તો