Ratios, Please
Rigged Trig
Breaking Angles
Law Enforcement
Spring "Break"
Elevation vs Depression
100
Write the trig ratio. SIMPLIFY.
sinZ=3/5
100
Calculate the value of sin 27o (round to the nearest thousandth)
sin 27o = 0.454
100
tan-1(tan (θ) ) =
= θ
100
Write the formula for the Law of Cosines when solving for side a.
What is a2 = b2 + c2 - 2bc*Cos(A)?
100
In an American automobile, there are two brakes. the brake pedal and "this" brake.
What is the Emergency Brake
100
X represents what type of angle?
An angle of depression.
200
Write the trig ratio. SIMPLIFY.
4/5
200
Using trigonometry, solve the value for x:
Cos 37 = adj / hyp
Cos 37 = x / 11
11 Cos 37 = x
x = 8.8
200
What is the inverse sine of (23.8/29)? (round to the nearest tenth)
inverse sine = 51.2 degrees
200
This the proportion for solving for side c using Law of Sines.
What is sin(45)/c = sin(70)/15?
200
This type of dancing was popular in the early 1980s.
What is Break Dancing
200
Draw an accurate representation of the scenario described: A 40 foot ladder leans against a wall and reaches a height of 36 feet above the ground. What is the angle formed between the bottom of the ladder and the ground?
Check with Wilson
300
Write the trig ratio for
tan angleA
tanangleA=5/12
300
Using trigonometry, find the value for x:
Tan 54 = opp / adj
Tan 54 = x / 5
5 Tan 54 = x
x = 6.9m
300
In △CAB, m∠A=90°. Determine m∠B when...
CB=12.8 and AB=3.9.
(round to the nearest tenth)
Cos-1 (3.9/12.8) = 72.3
300
Solve for the length of BC: round to the nearest tenth.
21.5
300
When a tennis match results in each player having won an equal number of sets, the player play "this" kind of set.
What is a Tiebreaker
300
A man that is 6ft tall casts a shadow from the sun that is 5ft long. Find the angle of elevation from the ground to the top of man's head.
tan^-1(6/5)=50.19° or 50°
400
FIND:sinangleX and cosangleX
sinangleX=35/37
cosangleX=12/37
400
Using trigonometry, calculate the value for x:
Sin 28 = opp / hyp
Sin 28 = x / 50
50 Sin 28 = x
x = 23.5m
400
What angle does the rocket have to fly at to reach the rocket base 300 km above Earth?
Tan θ = 300 / 90
θ = Tan -1 ( 300 / 90 )
θ = 73 degrees
400
Solve for side BC to the nearest hundredth.
What is 14.47?
400
This is when prisoners all escape from a prison at once or a type of football blitz where everyone rushes the quarterback.
What is a Jailbreak
400
A woman is standing in a glass elevator looking out at the ground. The angle of depression between her and a statue on the ground is 52°.
The statue is 46 feet from the ground exit of the elevator. If each story is 9 feet high, what floor is the woman and the elevator on?
4th floor/story