Question

${\lim }_{x\to 0}\frac{si{n}^{-1}x-ta{n}^{-1}x}{x^3}$

• A. $\frac{1}{2}$
• B. 2
• C. $-\frac{1}{2}$
• D. none of these.

Answer 1

Answer: (A)

Correct answer is (a) $\frac{1}{2}$