\[{{\cos }^{-1}}\frac{4}{5}+{{\tan }^{-1}}\frac{3}{5}=\] – McqOptions

MCQOPTIONS

1.	\[{{\cos }^{-1}}\frac{4}{5}+{{\tan }^{-1}}\frac{3}{5}=\]
A.	\[{{\tan }^{-1}}\frac{27}{11}\]
B.	\[{{\sin }^{-1}}\frac{11}{27}\]
C.	\[{{\cos }^{-1}}\frac{11}{27}\]
D.	None of these
Answer» B. \[{{\sin }^{-1}}\frac{11}{27}\]

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