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When you've finished with sine, cosine and tangent and have finally understood that this only works for right-angled triangles, then you learn about the sine theorem at school. The sine theorem is not only really simple, it works for (all!) triangles! They don't have to be right-angled for this theorem! At first the sine theorem looks a bit difficult, but once you've understood the whole thing, you'll always use it. It's really quick. ------------ Hi, I hope you enjoyed this video! Ideally, you even learned something or understood something better. Want to see more? Homepage: www.lehrer-schmidt.de Here you can find all videos sorted by topic. This will help you find the right video faster! Instagram @lehrerschmidt / lehrerschmidt You can write me direct messages and follow me too! Want to write me an email? [email protected] Do you have a question for #askSchmidt? Write me an email to [email protected] and put the hashtag in the subject line. Then I can find your question faster! Merch Seriously? Who needs that? But if I can't talk you out of it. I have something like that too! By the way, 100% of the proceeds from the merch are donated! Channel membership You can do it if you want to do something good for me, but it's completely pointless. There really are absolutely no benefits! Okay, that's it!