If \[|\mathbf{a}\,.\,\mathbf{b}|\,=3\] and \[|\mathbf{a}\times \mathbf{b}|\,=4,\] then the angle between a and b is

If \[|\mathbf{a}\,.\,\mathbf{b}|\,=3\] and \[|\mathbf{a}\times \mathbf

1.	If \[\|\mathbf{a}\,.\,\mathbf{b}\|\,=3\] and \[\|\mathbf{a}\times \mathbf{b}\|\,=4,\] then the angle between a and b is
A.	\[{{\cos }^{-1}}\frac{3}{4}\]
B.	\[{{\cos }^{-1}}\frac{3}{5}\]
C.	\[{{\cos }^{-1}}\frac{4}{5}\]
D.	\[\frac{\pi }{4}\]
Answer» C. \[{{\cos }^{-1}}\frac{4}{5}\]

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If \[|\mathbf{a}\,.\,\mathbf{b}|\,=3\] and \[|\mathbf{a}\times \mathbf{b}|\,=4,\] then the angle between a and b is

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