Angle Measurement
Coterminal
Arc length
Trig ratios
100

Convert 30o to radians

pi/6

100

Find a negative angle that is coterminal with 0o

-360o or -720o.....

100

Arc length fomula?

S=rθ 

100

sin30o

1/2

200

Convert 60o to radian

pi/3

200

Find smallest positive angle that is coterminal with -30o

330o

200

Find the arc length on a circle of radius 12 inches intercepted by a central angle 60o

4π inches

200

tan60o

√3

300

Convert -pi/12 to degrees

-15o

300

Find a positive coterminal of -7pi/2

Add 4pi or 6pi or 8pi.....

300

Find the arc length that is highlighted (picture)

40π /3

300

csc45o

√2