Trig Vocabulary
Trig Ratios
Elevations
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100
The trig function that is defined as opposite over hypotenuse.
Sine
100
What is the tangent ratio?
24/7
100
A hiker is 400 meters away from the base of the radio tower. The angle of elevation to the top of the tower is 46°. How high is the tower?
414.2 m
100
What is the value of x?
15.4
100
What country did the US buy the Louisiana Purchase from?
France
200
This trig function is defined as opposite over adjacent.
Tangent
200
What is the sine ratio of angle A?
a/c
200
The angle of elevation from a boat to the top of a 92-meter hill is 12°. How far is the boat from the base of the hill?
432.83 m
200
What is the RATIO for the SinC
9/41
200
What type of triangle has the side lengths
5, 7, 10
Obtuse
300
This trig function is defined as adjacent over hypotenuse.
Cosine
300
What is the value of x?
x=43.8
300
From an airplane at an altitude of 1200 m, the angle of depression to a rock on the ground measures 28°. Find the horizontal distance from the plane to the rock.
2,256.87 m
300
What trig function would you need to use to find the value of x? What is the value of x?
Tangent Function
x=99.8
300
Find the missing leg
Hypotenuse = 11 ft
Leg = 8 ft
7.5 ft
400
When do you use trig functions?
To find a missing side of a right triangle
400
What trig ratio do you need to use to solve for BC? What is the length of BC?
Cosine
BC = 1.71
400
A man, 1.5 m tall, is on top of a building. He observes a car on the road at an angle of 75°. If the building is 30 m high, how far is the car from the building?
8.44 m
400
What trig function would you need to use to find the value of x? What is the value of x?
What is SINE function
x=33.3
400
What is the name of the tool we used to measure angles of the buildings last week?
Clinometer
500
When do you use inverse trig functions
To find an angle
500
Opposite Side = 6m
Reference Angle = 45o
What is the adjacent side?
6 m
500
According to a lighting specialist for an art gallery, for best illumination of a piece of art, it is recommended that a ceiling mounted light be 1.8 m from the piece of art and that the angle of depression of the art piece be 38°. How far from the wall should the light be placed so that the recommendations of the specialist are met?
1.4 m
500
Hypotenuse Side = 6m
Reference Angle = 32o
What is the adjacent side?
7.1 m
500
Were is Mr. Schwindt's home town?
Dickinson, ND