prob stat: x̄=∑xk where k=1,2,3,...,n?

Find the median of 4,6,8,...,296

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Solve the following differential equation cos^2(x)dy/dx +y = tan(x)

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2nd/3ways: trig integral ∫sec(x) dx

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

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

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

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

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STPM Math T Sem. 2: Ex 11.2 Given that f(x)=tan(x), show that ...

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

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My Awkward Senpai (Episode 4) Eng sub

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UC Davis: differentiate y=cos^2(x^3)

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prob stat: 2 ways The mean of five #s 2,3,5,6,8 is 4.8. Calculate the std deviation.

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prob stat In a sample of n= 6 scores, 5 of the scores are each above the mean by one point.

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Lamar U: Use log. differentiation to find the 1st derivative of the given function

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1st/3ways: trig integral ∫sec(x) dx

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hyper trig integral ∫cosh(x) a^(logb(sinh(x)) ))dx

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trig integral sin(tan(x)) cos(tan(x)) sec^2(x) dx [chain rule in reverse]

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#4 2022 2nd/2 ways: MIT Integration Bee Qualifying Exam

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trig Show tan(x)/(sec(x)+1)=(sec(x)-1)/tan(x)

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1st/2 ways: Show 1+3+5+ ... +(2n-1) + (2n+1) + (2n-1)+...+5+3+1= n^2 + (n+1)^2

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