Find
\[\cos \left( 6 \arccos \frac{1}{3} \right).\]
Question:
Find
\[\cos \left( 6 \arccos \frac{1}{3} \right).\]
Answer:
Let's think step by step.

user
\frac{329}{729}
Find
\[\cos \left( 6 \arccos \frac{1}{3} \right).\]
train