AP Calculus BC

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36 Terms

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shell method: revolved around y-axis

V=2π∫p(x)h(x)dx

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shell method: revolved around x-axis

V=2π∫p(y)h(y)dy

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arc length

L=∫√(1+(f’(x))²dx

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surface area: revolved around x-axis

S=2π∫f(x)√(1+(f’(x))²dx

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surface area: revolved around y-axis

S=2π∫x√(1+(f’(x))²dx

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work

W=∫F(x)dx

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Hooke’s Law

F=kx

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Newton’s Law

F=C/x²

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Boyle’s Law

P=k/V

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mass

m=force/acceleration

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moment

moment=mass∙distance

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moment about the origin: one-dimensional system

M0=m1x1+…+mnxn

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moment about the y-axis: two-dimensional system

My=m1x1+…+mnxn

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moment about the x-axis: two-dimensional system

Mx=m1y1+…+mnyn

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center of mass: two-dimensional system

(x̄=My/m,ȳ=My/m) where m=m1+…+mn

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moment about the y-axis: planar lamina

My=∫x(f(x)-g(x))dx

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moment about the x-axis: planar lamina

Mx=∫((f(x)+g(x))/2)(f(x)-g(x))dx

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center of mass: planar lamina

(x̄=My/m,ȳ=My/m) where m=∫(f(x)-g(x))gx

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pressure

P=density∙depth

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fluid force on a horizontal surface

F=pressure∙area

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force exerted by a fluid

F=∫h(y)L(y)dy

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∫(tanu)du

-ln|cosu|+C

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∫(cotu)du

ln|sinu|+C

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∫(secu)du

ln|secu+tanu|+C

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∫(cscu)du

-ln|cscu+cotu|+C

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∫(sec2u)du

tanu+C

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∫(csc2u)du

-cotu+C

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∫(secu∙tanu)du

secu+C

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∫(cscu∙cotu)du

-cscu+C

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∫du/√(1-x²)

arcsin(u/a)+C

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∫du/(a²+u²)

(1/a)arctan(u/a)+C

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integration by parts theorem

∫u∙dv=u∙v-∫v∙du

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guidelines for choosing “u” in integration by parts

Logarithm, Inverse trigonometric, Algebraic, Trigonometric, Exponential

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Pythagorean identity

sin2x+cos2x=1

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power reduction formula for sin2x

sin2x=(1-cos2x)/2

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power reduction formula for cos2x

cos2x=(1+cos2x)/2