Answer
True
Work Step by Step
Since, $\log_a A=\dfrac{\log A}{\log a}$
Let us write the correct statement such as:
$\log_3 7=\dfrac{\log 7}{\log 3}$
or, $=\dfrac{1}{\dfrac{\log 3}{\log 7}}$
Since, $\log_a A=\dfrac{\log A}{\log a}$
or, $=\dfrac{1}{\log_7 3}$
Hence, the given statement is true.