MCQ
Let $\mathop {Lim}\limits_{x \to 0} $ $sec^{-1}$ $\left( {\frac{x}{{\sin x}}} \right)$ $= l$ and $\mathop {Lim}\limits_{x \to 0} $ $sec^{-1}$ $\left( {\frac{x}{{\tan x}}} \right)$ $= m$, then
- ✓$l$ exists but $m$ does not
- B$m$ exists but $l$ does not
- C$l$ and $m$ both exist
- Dneither $l$ nor $m$ exists