\(\frac{cos^2 89^\circ \ + \ cos^2 1^\circ}{cos 30^\circ \ sin90^\circ \ - \ sin30^\circ cos90^\circ}\)இதன் மதிப்பு என்ன ?

1
\(\frac{2}{\sqrt{3}}\)
2
\(\frac{1}{\sqrt{3}}\)
3
\(\frac{1}{1-\sqrt{3}}\)
4
2√3

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