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Live Q&A | Week 82

Check the description for questions and timestamps 00:00 intro 06:51 Prove Trigonometry Identity cos180°cosx+sin180°sinx=-sin(90-x) 09:11 Evaluate Trigonometry Identity sina=8/17 cosb=5/13 15:52 ...
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25 science experiments that went horribly wrong

Some of these killed people. Some broke people's minds. And some poisoned entire cities. From the Demon Core to Chernobyl's ...