Q$1)$ Write C$++$ code to calculate the following equation:

${\displaystyle \underset{i=1}{\overset{n}{}}}\frac{2**sin(30**i)}{3^{i-1}}$

The output should be like

Enter a value for $n$:$10$

The result is : $-1\mathrm{.}95985$

Press any key to continue $...$

Q$2)$ Write C$++$ code to draw the following shape: the output should be like:

Enter the number of rows

$5$

Enter the number of columns

$10$

Enter the character for pattern

$+$

$++++++++++$

$++,++$

$+,+,+$

$+,+,+$

$+,+,+$

$+++++++++++$