1.

If 4 tan A = 3, then the value of \[\frac{\mathbf{3co}{{\mathbf{s}}^{\mathbf{3}}}\mathbf{ A - 5 si}{{\mathbf{n}}^{\mathbf{3}}}\mathbf{ A}}{\mathbf{2cos A+5}}\] is _______ (where A is an acute angle)

A.  \[\frac{18}{275}\]        
B.                   \[\frac{19}{175}\]
C.  \[\frac{20}{105}\]     
D.                               \[\frac{19}{275}\]
E.  None of these
Answer» E.  None of these


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