Texas Instruments TI-73 Explorer Manual Book page 218

212
Chapter 11: Trigonometry
Degrees ( ¡ )
90¡
180¡
270¡
³
. # # b
- l :
sin(30)
- u
3 0
. # # " b
- l
- £ b
1¡= 1
of a circle
360
0¡, 360¡
Degree
1
E b
Radian
sin(30)
r
Radians ( )
p
2
p
0, 2p
3p
2
Radian
p
= 1
r
1 of a circle
2p
r
Note: 1 = 57.29578¡