question_answer

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