MCQ
If $A + B + C =\pi$, then the value of $\tan \left(\frac{ A + B }{2}\right)$ is :
- A$\tan C$
- B$\tan \frac{C}{2}$
- ✓$\cot \frac{ C }{2}$
- D$-\cot C$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $x$ | $1$ | $a$ | $a^2$ |
....
|
$a^n$ |
| $f$ | ${ }^n C_0$ | ${ }^n C_1$ | ${ }^n C_2$ |
....
|
${ }^n C_2$ |