Stuff you MUST know Cold for the AP Calculus Exam In the morning of Tuesday, May 3, 2005. AP Physics...
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Transcript of Stuff you MUST know Cold for the AP Calculus Exam In the morning of Tuesday, May 3, 2005. AP Physics...
![Page 1: Stuff you MUST know Cold for the AP Calculus Exam In the morning of Tuesday, May 3, 2005. AP Physics & Calculus Covenant Christian High School 7525 West.](https://reader036.fdocuments.net/reader036/viewer/2022062618/55144f4d550346494e8b505b/html5/thumbnails/1.jpg)
Stuff you MUST know Cold for the AP Calculus ExamIn the morning of Tuesday, May 3, 2005.
AP Physics & CalculusCovenant Christian High School7525 West 21st StreetIndianapolis, IN 46214Phone: 317/390.0202 x104Email: [email protected] Website: http://covenantchristian.org/bird Psalm 111:2
Sean Bird
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Curve sketching and analysisy = f(x) must be continuous at each: critical point: = 0 or undefined. And don’t forget endpoints
local minimum: goes (–,0,+) or (–,und,+) or > 0
local maximum: goes (+,0,–) or (+,und,–) or < 0
point of inflection: concavity changes
goes from (+,0,–), (–,0,+),(+,und,–), or (–,und,+)
dy
dx
dy
dx
2
2
d y
dx2
2
d y
dx
2
2
d y
dx
dy
dx
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Basic Derivatives
1n ndx nx
dx
sin cosd
x xdx
cos sind
x xdx
2tan secd
x xdx
2cot cscd
x xdx
sec sec tand
x x xdx
csc csc cotd
x x xdx
1ln
d duu
dx u dx
u ud due e
dx dx
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Basic Integrals
1n ndx nx
dx
sin cosd
x xdx
cos sind
x xdx
2tan secd
x xdx
2cot cscd
x xdx
sec sec tand
x x xdx
csc csc cotd
x x xdx
1ln
d duu
dx u dx
u ud due e
dx dx
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More Derivatives 1
2
1sin
1
d duu
dx dxu
1
2
1cos
1
dx
dx x
12
1tan
1
dx
dx x
12
1cot
1
dx
dx x
1
2
1sec
1
dx
dx x x
1
2
1csc
1
dx
dx x x
lnx xda a a
dx
1log
lna
dx
dx x a
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Differentiation Rules Chain Rule
( ) '( )d du dy dy du
f u f udx dx dx du
Rx
Od
Product Rule
( ) ' 'd du dv
uv v u OR udx
vdx dx
uv
Quotient Rule
2 2
' 'du dvdx dxv u
Od u
dx v v
u v uv
vR
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The Fundamental Theorem of Calculus
Corollary to FTC
( )
( )
( ( )) '( ) ( ( ))
( )
'( )
b x
a x
f b x b x f a x
f t dtd
da x
x
( ) ( ) ( )
where '( ) ( )
b
af x dx F b F a
F x f x
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Intermediate Value Theorem
. Mean Value Theorem
( ) ( )'( )
f b f af c
b a
.
If the function f(x) is continuous on [a, b], AND the first derivative exists on the interval (a, b), then there is at least one number x = c in (a, b) such that
If the function f(x) is continuous on [a, b], and y is a number between f(a) and f(b), then there exists at least one number x = c in the open interval (a, b) such that f(c) = y.
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( ) ( )'( )
f b f af c
b a
If the function f(x) is continuous on [a, b], AND the first derivative exists on the interval (a, b), then there is at least one number x = c in (a, b) such that
If the function f(x) is continuous on [a, b], AND the first derivative exists on the interval (a, b), AND f(a) = f(b),then there is at least one number x = c in (a, b) such that f '(c) = 0.
Mean Value Theorem & Rolle’s Theorem
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Approximation Methods for IntegrationTrapezoidal Rule
10 12
1
( ) [ ( ) 2 ( ) ...
2 ( ) ( )]
b
a
n n
b anf x dx f x f x
f x f x
Simpson’s Rule
10 1 23
2 1
( )
[ ( ) 4 ( ) 2 ( ) ...
2 ( ) 4 ( ) ( )]
b
a
n n n
f x dx
f x f x f x
f x f x
x
f x
Simpson only works forEven sub intervals (odd data points) 1/3 (1 + 4 + 2 + 4 + 1 )
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Theorem of the Mean Valuei.e. AVERAGE VALUE If the function f(x) is continuous on [a, b] and the
first derivative exists on the interval (a, b), then there exists a number x = c on (a, b) such that
This value f(c) is the “average value” of the function on the interval [a, b].
( )( )
( )
b
af x dx
f cb a
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Solids of Revolution and friends Disk Method
2( )
x b
x aV R x dx
2 2( ) ( )
b
aV R x r x dx
( )b
aV Area x dx
Washer Method
General volume equation (not rotated)
21 '( )
b
aL f x dx Arc Length *bc topic
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Distance, Velocity, and Acceleration
velocity =
d
dx
(position) d
dx
(velocity)
,dx dy
dt dt
speed = 2 2( ') ' *( )v x y
displacement = f
o
t
tv dt
final time
initial time
2 2
distance =
( ') *'
( )f
o
t
t
v dt
x y dt
average velocity = final position initial position
total time
x
t
acceleration =
*velocity vector =
*bc topic
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Values of Trigonometric Functions for Common Angles
1
23
2
3
3
2
2
2
2
3
2
3
0–10π,180°
∞01 ,90°
,60°
4/33/54/553°
1 ,45°
3/44/53/537°
,30°
0100°
tan θcos θsin θθ
1
26
4
3
2
π/3 = 60° π/6 = 30°
sine
cosine
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Trig IdentitiesDouble Argument
sin 2 2sin cosx x x
2 2 2cos2 cos sin 1 2sinx x x x
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Trig IdentitiesDouble Argument
sin 2 2sin cosx x x2 2 2cos2 cos sin 1 2sinx x x x
2 1sin 1 cos2
2x x
2 1cos 1 cos2
2x x
Pythagorean2 2sin cos 1x x
sine
cosine
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