ITK-121 KALKULUS I
description
Transcript of ITK-121 KALKULUS I
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ITK-121ITK-121KALKULUS IKALKULUS I
3 SKS
Dicky Dermawan
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LIMIT FUNGSI LIMIT FUNGSI TRIGONOMETRITRIGONOMETRI
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xx cos)(cos
xx sin)(sin
xx tan)(tan
xx cot)(cot
xx sec)(sec
xx csc)(csc
1sincos 22 xx
nxxx
2,sec1tan 22
xx 22 csc1cot
yxyxyx sinsincoscos)(cos
yxyxyx sinsincoscos)(cos
yxyxyx sincoscossin)(sin
yxyxyx sincoscossin)(sin
2,1a
2,1b
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a1 & a2 dijumlahkan & diselisihkan
Bila
maka
b1 & b2 dijumlahkan & diselisihkan:
yxyxyx coscos2)(cos)(cos
yxyxyx sinsin2)(cos)(cos
2
qpx
xqp 2
yxp
yxq
yxp
yxq
yqp 2 2
qpy
2
cos2
cos2coscosqpqp
qp
2
sin2
sin2coscosqpqp
qp
yxyxyx cossin2)(sin)(sin
yxyxyx sincos2)(sin)(sin
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Bila
Maka
Selain itu
yxp yxq
yxp yxq
xqp 2 2
qpx
yqp 22
qpy
2
cos2
sin2sinsinqpqp
qp
2
sin2
cos2sinsinqpqp
qp
yx
yxyx
tantan1
tantantan
yx
yxyx
tantan1
tantantan
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Sudut GandaSudut Gandaxxxxx 2222 sin211cos2sincos2cos
xxx cossin22sin
x
xx
2tan1
tan22tan
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Teorema ApitTeorema Apit
Bila g(x) ≥ f(x) ≥h(x) disekitar c dan maka)(lim)(lim xhLxgcxcx
Lxfcx
)(lim
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Contoh soalContoh soal
30x x
xsinxlim
xx
xxx 2tan5
4sin3lim
0
xx
xx 3tan
)2(sinlim
22
2
0
2
coslim
2
x
x
x
4
sincoslim
4
x
xx
x
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Latihan soal
x
xx 2
sinlim
0
2
0
sinlim
2
0
tanlim
x
xx 3sin
2lim
0
2
2
0
sinlim
h
hh
cotlim0
20
cos1lim
xx
xx 3
tanlim
20
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Latihan soal
)2sin(
3tanlim
20 x
xxx
xx
x
1sin.cos1lim
0
2
1sinlim
21
xx
xx
x
xx
tanlim
x
xx sin
2cos1lim
2
cotlim
2
x
x
x
4
2sinlim
4
x
xxx
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Soal-soal
x
xx sin
cos1lim
0
x
xx sin
cos1lim
2
cotlim
2
x
x
x