Radians
30 degrees in radians.
pi/6
pi/3 radians in degrees.
60
A sector of a circle has a central angle of pi/2 radians and a radius of 2.
pi
The circumference of a circle with radius 1 .
2pi
tan(45) =
1
45 degrees in radians.
pi/4
7pi/6 radians in degrees.
210
A sector of a circle has a central angle of pi radians and a radius of 12.
72pi
The circumference of a circle with radius 2 .
4pi
csc(150) =
2
100 degrees in radians.
5pi/9
5pi/12 radians in degrees.
75
A sector of a circle has a central angle of 120 degrees and a radius of 3.
3pi
The circumference of a circle with radius
2/pi .
4
sin(7pi/4) =
-sqrt(2)/2
-165 degrees in radians.
-11pi/12
-900pi/4 radians in degrees.
-40500
A sector of a circle has a central angle of 270 degrees and a radius of 2.
3pi
The circumference of a circle with area 4pi .
4pi
sin^-1(sqrt(3)/2) =
60, 120
451 degrees in radians.
2.51pi
1.234 radians in degrees.
70.7
A sector of a circle has a central angle of
3pi/10 radians and a radius of sqrt(8).
6pi/5
The circumference of a circle with area 19.63 .
5pi
cos(45)*sin(210) =
-sqrt(2)/4