If $\tan \theta = 7,$ then find $\tan 2 \theta.$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $\tan \theta = 7,$ then find $\tan 2 \theta.$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
-\frac{7}{24}
If $\tan \theta = 7,$ then find $\tan 2 \theta.$
train