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  1. In triangle, tanA+tanB+tanC=tanA*tanB*tanC

    In triangle, tanA+tanB+tanC=tanA*tanB*tanC

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  2. Probability solution: A Total of n balls, number of 1 through n...

    Probability solution: A Total of n balls, number of 1 through n...

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  3. index 2 subgroup must be a normal subgroup

    index 2 subgroup must be a normal subgroup

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  5. Mathematical induction divide exercise

    Mathematical induction divide exercise

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  8. FREE FULL COURSE C++ And Python Programming Complete Course

    FREE FULL COURSE C++ And Python Programming Complete Course

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  9. Prove normal matrix is unitary diagonalizable

    Prove normal matrix is unitary diagonalizable

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  11. sin(x+y)sin(x-y)=(sinx+siny)(sinx-siny)

    sin(x+y)sin(x-y)=(sinx+siny)(sinx-siny)

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  13. The existence proof of eigenvectors and eigenvalues

    The existence proof of eigenvectors and eigenvalues

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  14. Integral of 1/(1+x^2)^2 (substitution)

    Integral of 1/(1+x^2)^2 (substitution)

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  15. Very funny math question solve x for x^x^n=n

    Very funny math question solve x for x^x^n=n

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  16. Simple Group of order 60 must be A5

    Simple Group of order 60 must be A5

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  19. Nested radical 2: Nested radical of Ramanujan

    Nested radical 2: Nested radical of Ramanujan

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  20. Nested radical1: Nested radical of Ramanujan

    Nested radical1: Nested radical of Ramanujan

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  23. Prove Method of infinite Descent : square 2 is irrational

    Prove Method of infinite Descent : square 2 is irrational

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