fun-lim

Question: $\underset{x\to a}{\mathop{\lim }}\,\frac{\cos x-\cos a}{\cos x-\cot a}=$

1) $\frac{1}{2}{{\sin }^{3}}a$

2) $\frac{1}{2}\text{cose}{{\text{c}}^{2}}a$

3) ${{\sin }^{3}}a$

4) $\text{cose}{{\text{c}}^{3}}a$

Solution:

Explanation: No Explanation

Limits

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