Step 1:
\The function is
and
sec.
.
Angular frequency
.
Here
.

\
Substitute
and
in expression (1).

\
Find the RMS voltage using the formula
.


. \ \
RMS voltage is 14.14 Volts.
\\
Step 2:
\Find the average voltage
.
.
From (1)-bit
and
sec. \ \


Average voltage is 0 Volts.
\\
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\