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Trigonometry ratios and angles Flashcards | StudBud
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Trigonometry ratios and angles
Trigonometry ratios and angles
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1
Find the ratio requested in the picture.
24/7
7/24
25/7
7/25
2
What do you use trigonometry for
Find sides of triangles
Find the area
Find a girlfriend
Find angles of triangles
3
Find the value of x using trigonometry (2 decimal places)
6.02
13.45
12.11
10.00
4
Angle of Elevation and Angle of Depression are the same thing.
False
True
5
Classify ∠1 as an angle of elevation or depression.
angle of elevation
angle of depression
6
Solve the following the problem using trigonometry to find the area.
8.4
35
100.8
12
7
Find the missing angle
24
30
26
28
8
Trigonometry
148,7
346,5
236,6
257,8
9
Using trigonometry you can
calculate unknown angles
calculate angles of depression
calculate unknown side lengths
calculate angles of elevation
10
Which trigonometry ratio would you use to calculate x?
cos
sin
Pythagoras
tan
11
Pythagoras or Trigonometry
Neither
Trigonometry
Pythagoras
12
Trigonometry Question 4
25
20
30
5
13
Find the ratio requested in the picture.
17/8
15/8
8/17
8/15
14
Find the ratio requested in the picture.
29/21
29/20
20/29
21/29
15
Trigonometry
C
D
A
B
16
Find the ratio for the Tan A
3/4
3/5
4/5
4/3
17
What is the sine ratio?
3/4
Not Enough Info
4/5
3/5
18
Find the angle of elevation from the yacht to the top of the lighthouse.
59.7
30.3
35.7
54.3
19
Find the value of x using trigonometry (2 decimal places)
6.12
14.44
8.00
3.39
20
Find the angle of elevation
90 degrees
69 degrees
68 degrees
45 degrees
21
In what Trigonometry ratio can we use to calculate the angle?
Sine
Cosine
Tangent
22
Find the value of x using trigonometry (2 decimal places)
3.13
2.46
3.15
5.12
23
What phrase to remember the trigonometry functions
SOH-CAH-TAO
SAH-COA-TOH
SOH-CAH-TOA
SCT-OHO-HHA
24
What is the angle of depression of the boat to the shark?
18.00o
71.04o
Da-dum, da-dum, da-da-da-da-da-da
18.96o
25
Angle of Depression
SOHCAHTOA!
Downward angle between the horizontal and line of sight
The base angle of a right triangle
An angle that is sad
26
which ratio for x
Cos
Tan
Coke
Sine
27
Find the value of x using trigonometry (2 decimal places)
10.77
5.35
5.95
7.20
28
Trigonometry: Knowing that cos x = 3/5, what is sin x?
4/5
3/4
5/3
4/3
29
Trigonometry Question 1
A
C
D
B
30
What trigonometry ratio would you use to calculate x?
Pythagoras
tan
sin
cos
31
Angle of Elevation
Upward angle formed by the horizontal and line of sight
The angle at which a mountain increases
SOHCAHTOA!
An angle looking upward
32
Find the ratio requested in the picture.
5/4
4/5
3/5
5/3
33
Pythagoras or Trigonometry
Neither
Trigonometry
Pythagoras
34
Find the ratio for the Cos A
3/5
4/5
4/3
3/4
35
Which trigonometry ratio would you use to calculate x?
cos
sin
Pythagoras
tan
36
Find the ratio for the Sin A
4/3
3/5
3/4
4/5
37
Pythagoras or Trigonometry
Neither
Trigonometry
Pythagoras
38
Classify ∠4 as an angle of elevation or depression.
angle of depression
angle of elevation
39
Find the ratio requested in the picture.
5/4
4/4
4/3
3/4
40
Find the value of x using trigonometry (2 decimal places)
9.15
14.43
3.88
16.50
