(Solved): Q6. Find the rms value of the half cosine wave shown in the figure. \[ \begin{array}{l} x(t)=\cos ...

Q6. Find the rms value of the half cosine wave shown in the figure. \[ \begin{array}{l} x(t)=\cos t \quad \text { for } \frac{-\pi}{2} \leq \omega t<\frac{\pi}{2} \\ -0 \quad \text { for } \frac{\pi}{2} \leq \omega t<\frac{3 \pi}{2} \quad \omega=1 \\ \end{array} \]