Definitions
degrees, minutes, seconds
Random
Special Right Triangle
Random 2
100
This trigonometry ratio relates hypotenuse and adjacent
What is cosine?
100
These are the types of triangles that trig functions work with. "What are ________ triangles"
What are right triangles
100
sin pi / 4
sqroot 2 / 2
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 Pythagorean theorem?
a2+b2=c2
200
This trigonometry ratio relates hypotenuse and opposite
What is sine?
200
56^@12' written in decimal degrees is about?
23.60
200
What are e radian measures of 30 45 60 degrees?
pi / 6 ; pi / 4; pi / 3
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 right triangle DEF, m∠F=90°, EF≅DF and EF=25. What is the length of DE in simplest radical form?
25sqrt2
300
This trig ratio relates opposite and adjacent
What is tangent
300
54.15^@ written in degrees and minutes is?
54^@9'
300
Cos 11 pi / 3
1/2
300
cos 3 pi / 2
0
300
In right triangle ABC below, AC=9. What is the length of AB?
6sqrt3
400
The name for when two lines intersect at a 90 degree angle
What is perpendicular
400
56^@8'+68^@47'
124^@55'
400
tan 5 pi / 6
- sqroot 3 / 3
400
sin x = -1/2
Find x if 0 < x < 360
210 and 330
400
In the diagram above of ∆GED, m∠E=90° and DE=12. Determine the length of FG to the nearest tenth.
17
500
Name all 6 trig functions using x y and r
sin = y/r
cos = x/r
tan = y/x
csc = r /y
sec = r / x
cot = x / y
500
Convert to following to decimal degrees. 305^@28'55"
305.482^@
500
In right triangle ADC, m∠D=90° and AD=5.6, AC=8.4. What is the number of degrees in the angle of depression to the nearest tenth?
sin^-1(5.6/8.4) = 41.81
500
What is 19 feet
500
In Quadrant 4; cos x = 1/2 What is x (in radians)
5 pi / 3