The Easiest Integral on YouTube

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exact value of sin(10 degrees)

proving the limit of a product is the product of the limits, epsilon-delta definition

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if your calculus teacher still doesn't believe the DI method...

i-th root of -1

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how Laplace solved the Gaussian integral

100 Inevitable Algebra Problems for Calculus

how Richard Feynman would integrate 1/(1+x^2)^2

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de Moivre quintic formula

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solution to the logarithmic triangle

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(1+2+3)^2=1^3+2^3+3^3