book Maths Puzzle Numerical Ability

What is the angle in degrees whose sine is 5.1/11.05 (Opp/Hyp). Please show work

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Here is another one I can't figure out as well. The point (1,2) has the distance ? from the line defined by {{{y=-(x/3)+1}}} 1 1 3
——————— + ——————— = —————————
t - 1 t + 2 t2</sup> + t-2</sup>
Please help me figure out this problem. I think it may have no solution.</PRE>