Definitions
Trig
Inverse Trig
Special Right Triangle/
Non-Right Triangles
Non-Right Triangles
Random
100
This trigonometry ratio relates the adjacent and hypotenuse sides
What is cosine?
100
Calculate the value of sin 27o (round to the nearest thousandth)
sin 27o = 0.454
100
tan-1(tan Theta) =
What is Theta?
100
What are the ratio for the sides of a 45-45-90 triangle?
What are the measurements of the legs? Hypotenuse?
100
What is the formula for the area of a trapezoid?
Area = 1/2 (base1 + base2) x height
200
The detailed name of a 45o-45o-90o triangle
What is an isosceles right triangle?
200
Using trigonometry, find 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 hundredth)
inverse sine = 51.15 degrees
200
What is the ratio of sides for a 30-60-90 triangle?
What is the length of the shortest leg? Longest Leg? Hypotenuse
200
In the Pythagorean theorem, if a = 11 and c = 15, then what does b equal?
b = sqrt(104)
300
This trigonometry ratio relates the opposite and hypotenuse sides
What is sine?
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 right triangle
CAB, m∠A=90°. Determine m∠B when CB=12.8 and AB=3.9. (round to the nearest thousandth)
Cos-1 (3.9/12.8) = 72.261
300
Which team will win the Big Game tomorrow?
Who is Stanford!!?
300
In right triangle DEF, m∠F=90°, EF≅DF and EF=25. What is the length of DE in simplest radical form?
25 sqrt(2)
400
Triangles such as 3-4-5, 5-12-13, and 7-24-25, with whole numbers for all sides
What are Pythagorean Triples?
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 be launched at to reach the rocket base 300 km above Earth?
Tan θ = 300 / 90
θ = Tan -1 ( 300 / 90 )
θ = 73 degrees
400
The legs of a right triangle are equal to x and 2(sqrt x), and the hypotenuse equal 4(sqrt 2). What is x equal to?
What is 4?
400
In right triangle ABC below, AC=9. What is the length of AB?
6 radical 3
500
The functions tan-1, sin-1, and cos-1
What are inverse trigonometric functions?
500
If sin = opp/hyp AND cos = adj/hyp, then what does sin/cos equal?
What is tangent OR (opp/adj)?
500
In right triangle ADC, m∠D=90° and AD=5.6, AC=8.4. What is the number of degrees in ∠A? (round to the nearest thousandth)
sin-1(5.6/8.4) = 41.810
500
What is 19 feet
500
In the diagram above of ∆GED, m∠E=90° and DE=12. Determine the length of FG to the nearest tenth.
What is 17 units?