For all values of $x$ for which it is defined, $f(x) = \cot \frac{x}{4} - \cot x$ can be written as
\[f(x) = \frac{\sin kx}{\sin \frac{x}{4} \sin x}.\]Find the value of $k.$
Question:
For all values of $x$ for which it is defined, $f(x) = \cot \frac{x}{4} - \cot x$ can be written as
\[f(x) = \frac{\sin kx}{\sin \frac{x}{4} \sin x}.\]Find the value of $k.$
Answer:
Let's think step by step.

user
\frac{3}{4}
For all values of $x$ for which it is defined, $f(x) = \cot \frac{x}{4} - \cot x$ can be written as
\[f(x) = \frac{\sin kx}{\sin \frac{x}{4} \sin x}.\]Find the value of $k.$
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