Review: Product to Sum Identities

Screen Recording 2024-02-22 at 10.18.05 PM

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MPPET 1996 Hindustan: trig integral ∫ sin^2(x) -cos^2(x)/(sin^2(x) cos^2(x)) dx

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logic Idempotent law show x=xVx

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Pantun Melayu [Sorong papan tarik papan]

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Pantun Melayu [Buah cempedak di luar pagar]

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A box contains 8 blue & 6 red socks. What is the number of ways that 2 socks can be drawn ...

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Alternate way: Find 1+2+3+... +(n-1)+n via "polynomial degree 2"

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1st way: exp ∫(e^x)/x (1+x log(x)) dx

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Screen Recording 2024-02-22 at 10.13.28 PM

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3rd/3 ways: Express (4x-17)/((x+4)(2x-3)) in partial fractions via withOUT cover rule

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2nd way: integral ∫1/(a + √√b (x^2)) dx

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2nd way: trig integral ∫sin^6(ax+b) cos^6(ax+b) dx

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Silky foot dance collection, promise me, you are not here to see long legs

fenxiangjiawangweier

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1st/parts: Derivative of the inverse circular functions

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#2 2012 MIT Integration Bee Qualifying Exam

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Early Nascent Soul Stage! How powerful is Han Li's true combat power? What are his amazing achieveme

mengrufusheng-

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#2 2011 MIT Integration Bee Qualifying Exam

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2nd/2 ways: #1 2019 MIT Integration Bee Final

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Alternate way: trig integral ∫cos(x) dx

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1st/2parts 3 ways: tn-1 + tn = n^2 where tn = nth triangular number

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