3rd way: trig log integral ∫(a+ln(sin(x))/tan(x) dx

integral exp ∫e^(mx)/(x^n) dx via Reduction formula

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MP 2000 Hindustan: Evaluate ∫(tan(x)+cot(x))^2 dx

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AI 2008 Hindustan: Evaluate integral ∫ 2/3 cos(x)/sin^2(x) dx

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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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Pantun Melayu [Pulau Pandan Jauh Ke Tengah]

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速度、安全、自由，BiyaPay的三重优势

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BiyaPay，让你的每一笔资金都跑在机会前面

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2 ways: trig Show tan(2x)=2/(cot(x)-tan(x))

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3 ways: derivative log(x+ (1+√(x^2)))

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Columbia U: 1st way integral ∫√(x^2-9)/x^4 dx

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跨市场投资的底气，来自BiyaPay的高效调度

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BiyaPay，让资金调度成为你的竞争优势

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Always ZERO

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3rd/3ways: sum Show 1+2+3+...+n = n(1+n)/2

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掌控资金，就等于掌控投资主动权——BiyaPay

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examples: 2x2 matrix which is its own inverse

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跨市场投资的真正自由，从BiyaPay起步

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投资世界的“快车道”，BiyaPay带你上路

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Alternate way: trig integral ∫sec(x) dx= ln(tan(/π4+x/2)) + c

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2 ways: ¬p→q ≡ p∨q

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