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Geo Chapter 8 Trigonometry Part2
Contributed by: DiLaura
Use your calculator to find:

8.3.1
tan-1 (.76) = 
round to the nearest degree
Use your calculator to find:

8.3.1
tan-1 (1.4) = 
round to the nearest degree
Use your calculator to find:

8.3.1
sin-1 (.33) = 
round to the nearest degree
Use your calculator to find:

8.3.1
sin-1 (.26) = 
round to the nearest degree
Use your calculator to find:

8.3.1
cos-1 (.39) = 
round to the nearest degree
Use your calculator to find:

8.3.1
cos-1 (.5) = 
round to the nearest degree
round to the nearest 
degree
8.3.1
m∡A = 
Given the side lengths of the triangle below
find the measure of angle A
A
12
C
10
B
round to the nearest 
degree
8.3.1
m∡A = 
Given the side lengths of the triangle below
find the measure of angle A
A
18
C
11
B
round to the nearest 
degree
8.3.1
m∡A = 
Given the side lengths of the triangle below
find the measure of angle A
A
12
10
C
B
round to the nearest 
degree
8.3.1
m∡A = 
Given the side lengths of the triangle below
find the measure of angle A
A
12
6
C
B
round to the nearest 
degree
8.3.1
m∡A = 
Given the side lengths of the triangle below
find the measure of angle A
A
8
7.2
C
B
round to the nearest 
degree
8.3.1
Given the side lengths of the triangle below
find the measure of angle A
2.3
C
B
m∡A = 
10
A
round to the nearest 
degree
8.3.1
Given the side lengths of the triangle below
find the measure of angle A
3
C
B
m∡A = 
17
A
round to the nearest 
degree
8.3.1
Given the side lengths of the triangle below
find the measure of angle A
C
B
m∡A = 
10.4
11.2
A
m∡A = 
round to the nearest 
degree
8.3.1
Given the side lengths of the triangle below
find the measure of angle A
C
14.1
10
B
A
m∡A = 
round to the nearest 
degree
8.3.1
Given the side lengths of the triangle below
find the measure of angle A
C
3
B
A
3
round to the nearest 
degree
8.3.1
Given the side lengths of the triangle below
find the measure of angle A
A
B
m∡A = 
18
19.5
C
Use the given information to "solve" the righttriangle.  (Find all missing info)
8.3.2
∡L =
MN = 
ML = 
round side lengths and angles to 
the nearest whole number.
M
41o
L
N
8
Use the given information to "solve" the righttriangle.  (Find all missing info)
8.3.2
∡L =
∡N = 
ML = 
round side lengths and angles to 
the nearest whole number.
M
L
3
8
N
Use the given information to "solve" the righttriangle.  (Find all missing info)
8.3.2
∡L =
∡N = 
NL = 
round side lengths and angles to 
the nearest whole number.
11
M
L
16.94
N
Use the given information to "solve" the righttriangle.  (Find all missing info)
8.3.2
MN = 
∡L =
∡N = 
round side lengths and angles to 
the nearest whole number.
M
L
6
10
N
ladders angle =
Find how high up thewall the ladder reaches.
The base of a 15 ft. ladder is 3 feet away from a wall. 
Find the angle of the ladder.
round to the nearest degree
8.3.2
round to the nearest foot
h = 
Find this angle
Find the height of the
ramp (a).
ramps angle =
A skateboard ramp has the following measurements.
Use its measurements to find the angle of the ramp.
round to the nearest degree
round to the nearest whole number
a = 
8.3.2
Find this angle
A water ski ramp has the given dimensions.  Find
the angle at which the skier hits the ramp. 
Find the height of the ramp (h)
ramps angle =
round to the nearest foot
round to the nearest degree
h =
8.3.2
Find this angle
8.6.1
Write the vector in component form. 
AB with A = (0,0) and B = (-3, 7)
<
,
>
8.6.1
Write the vector in component form. 
AB with A = (1, -3) and B = (5, 6)
<
,
>
8.6.1
Write the vector in component form. 
AB with A = (5, 0) and B = (-1, -3)
<
,
>
8.6.1
Write the vector in component form. 
AB with A = (8,1) and B = (8, -5)
<
,
>
8.6.1
Write the vector in component form. 
AB with A = (4,-7) and B = (-2, 3)
<
,
>
8.6.1
Write the vector in component form. 
AB =
A
<
,
B
>
8.6.1
Write the vector in component form. 
AB =
<
B
A
,
>
8.6.1
Write the vector in component form. 
A
AB =
<
,
B
>
8.6.1
Write the vector in component form. 
AB =
B
<
A
,
>
8.6.1
Write the vector in component form. 
AB =
A
<
,
B
>
8.6.1
Match the labels: parallel vectors, equal vectorsor neither to the vector pairs below.
Both
?
neither
?
parallel
?
parallel
?
8.6.1
Match the labels: parallel vectors, equal vectorsor neither to the vector pairs below.
neither
?
Both
?
Both
?
parallel
?
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the magnitude of the
vector AB.
8.6.2
round to the nearest tenth
AB =
A
B
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the magnitude of the
vector AB.
8.6.2
round to the nearest tenth
AB =
A
B
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
8.6.2
AB =
B
A
Find the magnitude of the
vector AB.
round to the nearest tenth
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the magnitude of the
vector AB.
8.6.2
round to the nearest tenth
AB =
A
B
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the magnitude of the
vector AB.
8.6.2
B
round to the nearest tenth
A
AB =
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the magnitude of the
vector AB.
8.6.2
round to the nearest tenth
AB =
A
B
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the direction of thevector AB.
8.6.2
round to the nearest degree
AB =
o
North
of 
East
A
B
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the direction of thevector AB.
8.6.2
round to the nearest degree
AB =
o
South 
of East
A
B
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
8.6.2
AB =
B
o
West
of North
A
Find the direction of thevector AB.
round to the nearest degree
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the direction of thevector AB.
8.6.2
round to the nearest degree
AB =
o
East 
of North
A
B
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10
Find the direction of thevector AB.
8.6.2
B
round to the nearest degree
A
AB =
o
West 
of South
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