\(\frac{5 \cos ^{2} 62^{\circ}+5 \cos ^{2} 28^{\circ}-21}{7 \sin ^{2} 35^{\circ}+7 \sin ^{2} 55^{\circ}+1}\) இன் மதிப்பு:

1
-2 
2
3
3
2
4
-3 

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