Convert the point $\left( 10, \frac{\pi}{4} \right)$ in polar coordinates to rectangular coordinates.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Convert the point $\left( 10, \frac{\pi}{4} \right)$ in polar coordinates to rectangular coordinates.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
(5 \sqrt{2}, 5 \sqrt{2})
Convert the point $\left( 10, \frac{\pi}{4} \right)$ in polar coordinates to rectangular coordinates.
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