Radians or Degrees
Arc Length
Right Triangle Trig
Unit Circle
Angles!
100
Radians -> Degrees
2pi
360°
100
Find the circumference of the circle in terms of pi:
22pi
100
Find the marked angle in degrees:
45°
100
Evaluate:
sin(45°) =
sqrt2/2
100
Give a coterminal angle for 25° between 360 and 720°.
385° (or -695 degrees)
200
Radians -> Degrees
(11pi)/6
330°
200
Find the length of the bolded arc to the nearest tenth:
60.5 ft
200
Find the marked angle in degrees:
50°
200
Evaluate:
cos(30°) =
sqrt3/2
200
What sign is used when an angle on the coordinate plane has an initial side ray on the positive x-axis and moves clockwise?
Negative Standard Position
300
Degrees -> Radians
600°
(10pi)/3
300
Find the length of the bolded arc to the nearest tenth:
75.4 ft
300
Find the missing side length to the nearest tenth:
4.6
300
Evaluate:
sin(-45°) =
-sqrt2 / 2
300
Give the coterminal angle for an angle in standard position of measure -365°.
15°.
400
Degrees -> Radians
-945°
(-21pi)/4
400
Find the arc length for the following:
49.5 ft
400
Which trig function is equal to the adjacent side divided by the opposite side?
Cotangent
cot(x) = adj/opp
400
Evaluate:
cos(225°) =
-sqrt (2) / 2
400
Give a reference angle in degrees for the angle in standard position with a measure of 11π /6.
330 degrees
500
Radians -> Degrees
(-41pi)/12
-615°
500
Find the radian measure which defines an arc of length 61.3 ft on a circle with circumference of 26π.
4.715 radians
500
Solve for one missing side of the triangle and round to the nearest tenth when necessary:
500
Evaluate:
cos(570°) =
- sqrt (3) /2
500
How many COMPLETE "swooshes" around our graph is there for an angle of 14,945°?
41 swooshes