MCQ
Let $A$ be a set containing $10$ distinct elements. Then the total number of distinct functions from $A$ to $A$, is
- A$10\;!$
- ✓${10^{10}}$
- C${2^{10}}$
- D${2^{10}} - 1$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$A:$$\cos \alpha + \cos \beta + \cos \gamma = 0$
$B$:$\sin \alpha + \sin \beta + \sin \gamma = 0$
If $\cos \left( {\alpha - \beta } \right) + \cos \left( {\beta - \gamma } \right) + \cos \left( {\gamma - \alpha } \right) = - \frac{3}{2}$ then