2 ways: Evaluate lim sin(x)/tan(x) where x tends to 0.

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

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2nd/2 parts: Mean 1+2+3+...+n is just (1+n)/2. Why?

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MP 8,93,96,97,99 Hindustan: Evaluate ∫ sec(x)/(sec(x)-tan(x)) dx

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CBSE 2000 Hindustan: integral (1+tan(x))/(x+log(sec(x)) dx

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logic Idempotent law show x=xVx

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diff eq: Solve dy/dx = (2y4x^4)/(xy^3) ❌separable to ✅separable

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trig Write each expression as an equivalent algebraic expression involving only x.

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Review: Linear form, Quadratic form & Bilinear form

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

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Practical Restaurant English Conversations

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The blockbuster documentary “Africa’s Great Tech Leap” is now streaming for you!

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Fight Against Drugs

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This is seriously too risky—thank goodness God’s off work today!

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The Past and Present of a Village’s Landscape

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We Did It! We Used the Luminol Reaction to Create a “Glowing Flower”

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Uncle Mo Tests Bulletproof Plates

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This Is What Word-of-Mouth Feels Like! (Part 5)

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What Happens When You Plug a USB Drive Into a Charger?

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They Made the Most Controversial Choice: “International Student,” “University,” “Girls’ Dorm” — Utte

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The hallmark of engineering majors is that they heavily prioritize prestigious university background

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