Mathematical Proofs: The Cosine Rule
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1:42 lol@BAD triangle
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God Bless you old man.
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now why can't my teacher explain it like that?? thanks, great video!
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Thankyou! It was wonderfully explained and very easy to follow.
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absolutely brilliant, thankyou thankyou thankyou :)
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This is the best and most simplest way of proving the law. Excellent work!
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Orange, lemon and ultra violet. Thank you.
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you are a genius mate! good work
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my intuition thanks you
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The best proof yet...better than that "Khan dude....peace be with you
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Beautifully explained :), im so happy i can cry. Thank you so much!!!!
akyra83 1 year ago 12
4:37 mindblown
SebAlva 10 months ago 5