Integration Chapter 11 Flashcards

1
Q

What does X^n integrate to

A

X^n+1 / n+1 +c

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2
Q

What does cos x integrate to

A

Sinx + c

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3
Q

What does cosecxcotx integrate to

A

-cosecx + c

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4
Q

What does ex integrate to

A

ex + c

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5
Q

What does sinx integrate to

A

-cosx + c

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6
Q

What does cosec2x integrate to

A

-cotx + c

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7
Q

What does 1/x integrate to

A

lnx + c

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8
Q

What does sec^2x integrate to

A

tanx + c

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9
Q

What does secxtanx integrate to

A

secx + c

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10
Q

What does f (ax + b) integrate to

A

1/a f(ax + b) + c

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11
Q

What does k f’(x)/f(x) integrate to

A

kln( f(x) )

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12
Q

What is the integration by parts formula

A

/u dv/dx dx = uv - / v du/dx dx

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13
Q

What is the trapezium rule equation

A

1/2h (y0 + yn + 2(y1 + y2 + y3 …))

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14
Q

What is the equation for the width of the trapezium’s

A

b-a/n
b and a are the bounds

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15
Q

How can dy/dx = f(x)g(y) be written as to solve

A

/ 1/g(y) = / f(x) dx

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16
Q

What does tankx integrate to

A

1/k ln(seckx)
In formula book

17
Q

What does cotkx integrate to

A

1/k ln(sin kx)
In formula book

18
Q

what does cosec kx integrate to

A

-1/k ln(cosec kx + cot kx)
1/k ln(tan(1/2 k))
In formula book

19
Q

What does sec kx integrate to

A

1/k ln (sec kx tan kx)
1/k ln(tan(1/2kx + 1/4Pi))

20
Q

What are the trig identities

A

sin2A + cos2A = 1
Sec2A = 1 + tan2A
cosec2A = 1 + cot2A

21
Q

What does lim Sum 2/x=1 sinx dx equal to

A

2 - 1 / sinx

22
Q

When integrating trigonometric functions what should be the angles be in

A

Radians

23
Q

If your curve is convex, what does that mean for the trapezium rule estimate

A

The estimate is likely to be an overestimate

24
Q

If your curve is concave, what does that mean for the trapezium rule estimate

A

The estimate is likely to be an underestimate