Putting the CO in COsine
1:50
YouTubepolymathematic
Putting the CO in COsine
Most people learn cosine as “adjacent over hypotenuse” and move on. But there is a better way to remember it hiding right there in the first two letters. Check out the channel! @polymathematic Try this SAT-style problem. Triangle JKL has a right angle at J. The sine of angle K is 24/51. What is the cosine of angle L? The instinctive move is ...
12.2K views3 weeks ago
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