trig Show cos(4x) = 8 cos^4(x) -cos^2(x)+1

Sorry the crying one is bad

Yanika Villaceran

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2 ways: The following measurements were taken by an antique dealer as he weighted to the ...

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RPET 2003 Hindustan: integral ∫sin^4(x)-cos^4(x) dx

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Screen Recording 2024-05-18 at 10.21.39 PM

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Let f(x,y)=4-2xx^2-y^2. Find the slope of the tangent line at the point (1,1,1) on the curve formed

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integration bee 2014 UNSW 3rd way: e^x(cos(x)+sin(x)) dx

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2 way: exp integral e^(ax+b)/1+e^(ax+b)) dx

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IIT-1995 2nd way integral ∫x^5/(1+x^3) dx

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JHU: integral ∫t^3 e^(t^2) dt

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prob stat: A bag contains 5 red balls & 3 green balls. A ball is drawn at random &

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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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Let f(x) be a polynomial of degree 1. If f(10)-f(5)=15, then f(20)-f(5)=?

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2 ways: integral ∫x√(1-x) dx

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prob stat 2/2 ways: A couple has 6 children whose ages are 6,8,10,12,14,16.

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integration bee 2014 UNSW: 4th way: e^x(cos(x)+sin(x)) dx

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Median [special weighted mean]

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Columbia U: 9th/9 ways Evaluate the indefinite integral ∫1/(1+e^x) dx withOUt u-sub

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impIicit diff f x^y=y^x, find dy/dx at (2,4)

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doneScreen Recording 2024-05-18 at 10.25.20 PM

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#3 UC Davis integrate ∫3/(4+x^(1/3)) dx via power sub

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