The value of \[3{{\tan }^{-1}}\frac{1}{2}+2{{\tan }^{-1}}\frac{1}{5}+{{\sin }^{-1}}\frac{142}{65\sqrt{5}}\]is

The value of \[3{{\tan }^{-1}}\frac{1}{2}+2{{\tan }^{-1}}\frac{1}{5}+{

1.	The value of \[3{{\tan }^{-1}}\frac{1}{2}+2{{\tan }^{-1}}\frac{1}{5}+{{\sin }^{-1}}\frac{142}{65\sqrt{5}}\]is
A.	\[\frac{\pi }{4}\]
B.	\[\frac{\pi }{2}\]
C.	\[\pi \]
D.	None of these
Answer» D. None of these

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The value of \[3{{\tan }^{-1}}\frac{1}{2}+2{{\tan }^{-1}}\frac{1}{5}+{{\sin }^{-1}}\frac{142}{65\sqrt{5}}\]is

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