\frac{ 5 \times \cos ( 12.1 ) - \sin ( 12.1 ) \times 9.8 }{ \cos ( 12.1 ) \times 9.8-5 \times \sin ( 12. ) }
Evaluate
-\frac{49\sin(12.1)-25\cos(12.1)}{5\left(\frac{49\cos(12.1)}{5}-5\sin(12)\right)}\approx 0.775826775
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