The average velocity is calculated as:
[tex]\frac{s(t_2)-s(t_1)}{t_2-t_1}[/tex]So, for [1, 1.1], we get that the average velocity is:
[tex]\begin{gathered} s(1)=2\cdot\sin (\pi)+3\cdot\cos (\pi)=-3 \\ s(1.1)=2\cdot\sin (1.1\pi)+3\cdot\cos (1.1\pi)=-3.471 \\ \text{average velocity =}\frac{-3.471-(-3)}{1.1-1}=-4.710 \end{gathered}[/tex]At the same way, For [1, 1.01]:
[tex]\begin{gathered} s(1.01)=-3.061 \\ \text{average velocity = }\frac{-3.061-(-3)}{1.01-1}=-6.100 \end{gathered}[/tex]For [1, 1.001], [1, 1.0001] and for [1.00001]
[tex]\begin{gathered} s(1.001)=-3.006 \\ \text{average velocity = }\frac{-3.006-(-3)}{1.001-1}=-6.000 \end{gathered}[/tex]