\[\tan \left[ {{\cos }^{-1}}\frac{4}{5}+{{\tan }^{-1}}\frac{2}{3} \right]\]= [IIT 1983; EAMCET 1988; MP PET 1990; MNR 1992]

\[\tan \left[ {{\cos }^{-1}}\frac{4}{5}+{{\tan }^{-1}}\frac{2}{3} \rig

1.	\[\tan \left[ {{\cos }^{-1}}\frac{4}{5}+{{\tan }^{-1}}\frac{2}{3} \right]\]= [IIT 1983; EAMCET 1988; MP PET 1990; MNR 1992]
A.	42887
B.	44364
C.	42552
D.	44393
Answer» C. 42552

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\[\tan \left[ {{\cos }^{-1}}\frac{4}{5}+{{\tan }^{-1}}\frac{2}{3} \right]\]= [IIT 1983; EAMCET 1988; MP PET 1990; MNR 1992]

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