The period of $sin k x$ is

\frac{π}{k}

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\frac{2 π}{k}

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\frac{2 π}{| k |}

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\frac{π}{| k |}

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Solution

The correct option is C $\frac{2 π}{| k |}$
The period of $sin k x$ is $\frac{2 π}{| k |}$
Hence, the answer is $\frac{2 π}{| k |} .$

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