20060301
I
Trigonometric Function
s
(
s
in, co
s
, tan) and Inver
s
e Trigonometric
Function
s
(
s
in
–1
, co
s
–1
, tan
–1
)
The first four examples below use “Degree” (indicated by “Deg” in the status bar) as the
angle unit setting. The final example uses “Radian” (indicated by “Rad”). For details about
these settings, see “1-9 Configuring Application Format Settings”.
Problem
U
s
e thi
s
keyboard:
Operation
mth
abc
cat
2D
sin63° = 0.8910065242
TRIG
Func
Q
63
U
2 · sin45°
s
cos65°
= 0.5976724775
TRIG
Func
2
Q
45
A
65
U
Can be omitted.
cosec30° =
1
sin30°
= 2
TRIG
Func
1
Q
30
U
or
-
1
A
Q
30
U
sin
–1
0.5 =30°
(Determine
x
for sin
x
= 0.5.)
TRIG
Func
2
0.5
U
“.5” can also be used.
TRIG
Func
Change the [Angle] setting to
“Radian”.
A
3
U
or
A
-
A
3
U
Tip
• The angle unit setting you specify remains in effect until you change it.
• To move between entry boxes in a 2D math symbol you can use the cursor keys or tap inside a
box.
2-4-2
Function Calculations
cos((
P
3
) rad) = 0.5
Summary of Contents for ClassPad 330
Page 11: ...20060301 20090601 ClassPad 330 ClassPad OS Version 3 04 ...
Page 277: ...20060301 3 3 10 Storing Functions 3 Tap AND Plot OR Plot ...
Page 779: ...20090601 S Graph Line Clustered C S Graph Line Stacked E 13 9 2 Graphing ...
Page 780: ...20090601 S Graph Line 100 Stacked F S Graph Column Clustered G 13 9 3 Graphing ...
Page 781: ...20090601 S Graph Column Stacked I S Graph Column 100 Stacked J 13 9 4 Graphing ...
Page 782: ...20090601 S Graph Bar Clustered K S Graph Bar Stacked 9 13 9 5 Graphing ...