Inverse Trig & L'Hopital
IBP
Trig Integrals
Trig Sub & Partial Fractions
Strategy & Improper Integrals
100

(d/dx) (arctan (x))

what is 1/(1+x2)

100

The integration by parts formula

what is ∫u dv=uv−∫v du


100

∫sin(x)cos(x)dx

u=sin x

what is 1/2 sin2(x)+C

100

the trig sub typically used for Sqrt{a2-x2}

what is x=a sin(θ)


100

Usually the first thing you should check before integrating a rational function

what is whether the degree of the numerator is greater than or equal to the denominator.

If so, use long division first.

200

lim x->0 [(sin (x))/x]

What is 1

200

∫xexdx

u=x, dv=exdx

what is xex-ex+c

200

∫tan(x)dx

u=cos x

what is ln|sec(x)|+C

200

decompose 5/[x(x+2)]

what is [5/(2x)]−{5/[2(x+2)]}

200

1infinity 1/(x2)dx

what is 1; the integral converges

300

Lim x->infinity [Ln(x)/x]

what is 0


300

∫ln(x)dx

what is xln(x)-x+C

300

∫sin3(x)cos2(x)dx

what is -(1/3)cos3(x)+(1/5)cos5(x)+C

300

∫dx/{sqrt[9-x2]}

what is arcsin(x/3)+C

300

converge or diverge: ∫1infinity 1/x dx

what is the integral diverges

400

∫1/[sqrt{1-x2}]dx


what is arcsin(x)+C

400

∫xcos(x)dx

what is xsin(x)+cos(x)+C

u=x, dv=cos(x)dx

400

∫sec3(x)dx

what is (1/2)sec(x)tan(x)+(1/2)ln|sec(x)+tan(x)|+C

400

∫1/(x2-1)dx

 what is (1/2)ln|x-1|-(1/2)ln|x+1|+C

400

The integration strategy most appropriate for 

∫x sqrt{x+1} dx

what is u-sub u=x+1

500

lim x->0 [(ex-1-x)/x2]

what is 1/2

500

∫x2exdx

what is ex(x2-2x+2)+C

u=x2 , dv=exdx

500

∫sin2(x)dx

what is (x/2)-[sin(2x)/4]+C

500

∫x2/(x2+4) dx

what is x-2arctan(x/2)+C

500

0infinity e-xdx

what is 1; the integral converges

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