12 x1 t03 01 arcs & sectors (2012)
TRANSCRIPT
Trigonometric Functions
Trigonometric Functionsradians2360
Trigonometric Functionsradians2360
Arcs & Sectors
Trigonometric Functionsradians2360
rC 2
Arcs & Sectors
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & Sectors
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
l
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
lrl
22
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
lrl
22
rl
Trigonometric Functionsradians2360
rC 2 2rA
Arcs & SectorsO
A
B
AB is an arc
lrl
22
rl
Length of an arc; rl
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
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
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
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
45
e.g.
O
A
B5
cm
45
rlAB e.g.
O
A
B5
cm
rlAB e.g.
45
45O
A
B5
cm
rlAB e.g.
45
cm 4
5
45O
A
B5
cm
rlAB 221 rAOAB
e.g.
45
cm 4
5
45O
A
B5
cm
rlAB 221 rAOAB
e.g.
45
cm 4
5
45
21 2
45O
A
B5
cm
rlAB 221 rAOAB
e.g.
45
cm 4
5
45
21 2
2cm 8
25
45O
A
B5
cm
45
rlAB 221 rAOAB
ABsegmentminor Area
e.g.
O
A
B5
cm
45
cm 4
5
45
21 2
2cm 8
25
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
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
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
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*