Find the Second Harmonic of the Function $h(x)=$ $\left\{\begin{array}{c}2 \pi \\0\end{array}\right.$

question 8

Multiple Choice

Find the second harmonic of the function $h(x) =$$\left\{\begin{array}{c}2 \pi \\0\end{array}\right.$$\begin{aligned}-\pi< \\0<\end{aligned}$$\begin{array}{l}x \leq 0 \\x \leq \pi\end{array}$ .

• A) \(\frac{4}{3} \sin 3 x\)
• B) \(-\frac{4}{3} \sin 3 x\)
• C) \(\frac{2}{3} \sin 3 x\)
• D) \(-\frac{2}{3} \sin 3 x\)
• E)0

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