CHAPTER 1
Let’s Get Started
7
MODE
MODE
2
5
8
•
DGR
È
Ans
1
=
SHIFT
MODE
MODE
1
•
DGR
È
Ans
2
=
SHIFT
2
7
1
Convert
°
5
.
78
to its radian equivalent and
rad
1
.
2
to its degree equivalent.
OPERATION
1
. First enter
Rad
mode, then perform the conversion.
Hence,
°
5
.
78
is approximately 1.37 radian.
2
. Return to
Deg
mode and perform the conversion.
Hence, rad
1
.
2
is approximately
°
32
.
120
.
Show that
6
π
radian and
2
3
π
radian are equivalent to 30° and 270° respectively.
Example 13
78.5
–
1.370083463
D
0
2.1
r
120.321137
R
0