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OpenStudy (anonymous):
solve this identity using a half angle (cos(6x))^4
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OpenStudy (anonymous):
Ok ... I ll give it a try.
OpenStudy (anonymous):
Not sure what is being asked here. It is not an equation. So what is there to solve?
OpenStudy (psymon):
You can simplify it to a bunch of random things. We could use the half angle formula once and be done or we could keep going until we just get single angles, but what is needed?
OpenStudy (anonymous):
Exactly...Not sure what the task to complete is. There are a lot of things that could be done here.
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