Posted by
**Jordan** on
.

OK, I've been stuck on this question for like.. an hour. Prove how cos 2x = 1. Thanks for the help!

Nvm... lol I got it. There was a typo. Sorry!

Saturday

March 25, 2017
Posted by
**Jordan** on
.

OK, I've been stuck on this question for like.. an hour. Prove how cos 2x = 1. Thanks for the help!

Nvm... lol I got it. There was a typo. Sorry!

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