Definitions
Trig-Calculations
Inverse Trig calculations-
Random
Triggity Diggity
100
This trigonometry ratio relates hypotenuse and adjacent
CAH or cos
100
Solve cos 50
0.64
100
This is the key we need to hit first on the calculator to get an inverse trig ratio
What is the 2ND key (Or Shift)
100
What year did the Titanic sink?
1912
100
Find side length AB
AB = 8.40
200
There are 2 angles we talked about.
1) Angle Of _ _ _ _ _ _ _ _ _ _
2) Angle Of _ _ _ _ _ _ _ _ _ _ _
1) Angle Of Depression
2) Angle Of Elevation
200
Calculate the value of sin 26o
sin 26o = 0.438
200
Name the abbreviation used to remember trigonometry
_ _ _ _ _ _ _ _ _
SOH CAH TOA
200
What is the longest river in the world?
The Nile River
200
35.10o
300
When using Trigonometry, the side across from the right angle is called?
Hypotenuse
300
Using trigonometry, and find the value for x:
Cos 37 = adj / hyp
Cos 37 = x / 11
11 Cos 37 = x
x = 8.789
300
In this right triangle
CAB, ∠A=90°. Determine ∠B to the nearest whole degree when CB=12.8 and AB=3.9.
Cos = A/H
Cos = 3.9/12.8
Cos-1 = 0.30
72 degrees
300
What is the tallest mountain in the world?
Mount Everest
300
How long is y?
y = 8.67
400
The only triangles that will work when using trig functions are:
Right Angle Triangles
400
Using trigonometry, find the value for x:
Tan 54 = opp / adj
Tan 54 = x / 5
5 times 1.376 = x
x = 6.880m
400
What angle does the rocket have to be launched at to reach the rocket base 300 km above Earth?
400
Who was the first man to step on the moon?
Neil Armstrong
400
This is the most popular pizza topping in America.
Pepperoni
500
The function used to solve for the missing angle
Inverse trig functions (inverse sine, inverse cosine, inverse tangent)
500
Using trigonometry, calculate the value for x:
Sin 28 = opp / hyp
Sin 28 = x / 50
50 times .469 = x
x = 23.450m
500
In right triangle ADC, ∠D=90° and AD=5.6, AC=8.4. How big is the angle ∠ACD, rounded to one decimal place?
sin0 = O/H
sin0 = 5.6/8.4
sin0 = 0.66
sin-1 = 41.8 degrees
500
Which ocean is the largest in the world?
The pacific Ocean
500
Did this loser get the correct answer or did he make an error during one of his steps?
he messed up dividing instead of multiplying
cos45(4.24) = x