Angle Measurement
Convert 30o to radians
pi/6
Find a negative angle that is coterminal with 0o
-360o or -720o.....
Arc length fomula?
S=rθ
sin30o
1/2
Convert 60o to radian
pi/3
Find smallest positive angle that is coterminal with -30o
330o
Find the arc length on a circle of radius 12 inches intercepted by a central angle 60o
4π inches
tan60o
√3
Convert -pi/12 to degrees
-15o
Find a positive coterminal of -7pi/2
Add 4pi or 6pi or 8pi.....
Find the arc length that is highlighted (picture)
40π /3
csc45o
√2