!!!!Cosines / sines . Find a and round to the nearest 10th.

I think Erica said I messed this one up. It looks the same. Oh yeah I think this was the one I thought [tex]a=1.8=3\sqrt{2}-\sqrt{6}[/tex], Answer: 1.8.
Let's do it again.
[tex]\dfrac{a}{\sin(180 - (15+105))}=\dfrac{2}{\sin 105^\circ}[/tex]
[tex]a = \dfrac{2 \sin(60)}{\sin 105^\circ}[/tex]
[tex]a \approx 1.8[/tex]
Yes, same as before.