Question
Differentiate the following function with respect to $(\text{x})$:

$\frac{\cos(\text{x}-2)}{\sin\text{x}}$

Answer

We have,

$\frac{\text{d}}{\text{dx}}\frac{\cos(\text{x}-2)}{\sin\text{x}}$

$=\frac{\text{d}}{\text{dx}}\frac{(\cos\text{x}.\cos2+\sin\text{x}.\sin2)}{\sin\text{x}}$

$=\cos2\frac{\text{d}}{\text{dx}}(\cot\text{x})+\sin2\frac{\text{d}}{\text{dx}}(1)$

$-\cos2.\text{coesc}^2\text{x}+0$

$-\cos2.\text{coesc}^2\text{x}$

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