12 x1 t03 01 arcs & sectors (2013)
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Transcript of 12 x1 t03 01 arcs & sectors (2013)
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Trigonometric Functions
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Trigonometric Functionsradians2360
![Page 3: 12 x1 t03 01 arcs & sectors (2013)](https://reader031.fdocuments.us/reader031/viewer/2022020218/55c179a4bb61eb27338b4658/html5/thumbnails/3.jpg)
Trigonometric Functionsradians2360
Arcs & Sectors
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Trigonometric Functionsradians2360
rC 2
Arcs & Sectors
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Trigonometric Functionsradians2360
rC 2 2rA
Arcs & Sectors
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Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
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Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
![Page 8: 12 x1 t03 01 arcs & sectors (2013)](https://reader031.fdocuments.us/reader031/viewer/2022020218/55c179a4bb61eb27338b4658/html5/thumbnails/8.jpg)
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
l
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Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
lrl
22
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Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
lrl
22
rl
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Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
lrl
22
rl
Length of an arc; rl
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Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
OAB is a sector
AB is an arc
lrl
22
rl
Length of an arc; rl
![Page 13: 12 x1 t03 01 arcs & sectors (2013)](https://reader031.fdocuments.us/reader031/viewer/2022020218/55c179a4bb61eb27338b4658/html5/thumbnails/13.jpg)
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
OAB is a sector
AB is an arc
lrl
22
rl
2
2rAOAB
Length of an arc; rl
![Page 14: 12 x1 t03 01 arcs & sectors (2013)](https://reader031.fdocuments.us/reader031/viewer/2022020218/55c179a4bb61eb27338b4658/html5/thumbnails/14.jpg)
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
OAB is a sector
AB is an arc
lrl
22
rl
2
2rAOAB
221 rAOAB
Length of an arc; rl
![Page 15: 12 x1 t03 01 arcs & sectors (2013)](https://reader031.fdocuments.us/reader031/viewer/2022020218/55c179a4bb61eb27338b4658/html5/thumbnails/15.jpg)
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
OAB is a sector
AB is an arc
lrl
22
rl
2
2rAOAB
221 rAOAB
Length of an arc; rl
Area of a sector; 221 rA
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45
e.g.
O
A
B5
cm
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45
rlAB e.g.
O
A
B5
cm
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rlAB e.g.
45
45O
A
B5
cm
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rlAB e.g.
45
cm 4
5
45O
A
B5
cm
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rlAB 221 rAOAB
e.g.
45
cm 4
5
45O
A
B5
cm
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rlAB 221 rAOAB
e.g.
45
cm 4
5
45
21 2
45O
A
B5
cm
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rlAB 221 rAOAB
e.g.
45
cm 4
5
45
21 2
2cm 8
25
45O
A
B5
cm
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45
rlAB 221 rAOAB
ABsegmentminor Area
e.g.
O
A
B5
cm
45
cm 4
5
45
21 2
2cm 8
25
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45
rlAB 221 rAOAB
ABsegmentminor Area
sin21
sin21
21
2
22
r
rr
e.g.
O
A
B5
cm
45
cm 4
5
45
21 2
2cm 8
25
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45
rlAB 221 rAOAB
ABsegmentminor Area
sin21
sin21
21
2
22
r
rr
e.g.
O
A
B5
cm
45
cm 4
5
45
21 2
2cm 8
25
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45
rlAB 221 rAOAB
ABsegmentminor Area
sin21
sin21
21
2
22
r
rr
2
2
cm 28
1002252
142
254
sin4
521
e.g.
O
A
B5
cm
45
cm 4
5
45
21 2
2cm 8
25
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45
rlAB 221 rAOAB
ABsegmentminor Area
sin21
sin21
21
2
22
r
rr
2
2
cm 28
1002252
142
254
sin4
521
e.g.
O
A
B5
cm
45
cm 4
5
45
21 2
2cm 8
25
Exercise 14B; 2 to 24 evens, 25, 28*