(Solved): how to solve 6. A certain sine wave has a positive-going crossing at 0 degrees and an rms value of \ ...

6. A certain sine wave has a positive-going crossing at 0 degrees and an rms value of \( 40 \mathrm{~V} \). Calculate its instantaneous voltage value at each of the following angles: \[ \begin{array}{l} 15 \mathrm{deg}= \\ 110 \mathrm{deg}= \\ 33 \mathrm{deg}= \\ 145 \mathrm{deg}= \\ 70 \operatorname{deg}= \end{array} \]