If $\cos \theta = \frac{1}{4},$ then find $\cos 3 \theta.$
Question:
If $\cos \theta = \frac{1}{4},$ then find $\cos 3 \theta.$
Answer:
Let's think step by step.

user
-\frac{11}{16}
If $\cos \theta = \frac{1}{4},$ then find $\cos 3 \theta.$
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