20050501
k
Trigonometric Functions (sin, cos, tan) and Inverse Trigonometric
Functions (sin
–1
, cos
–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
the [Setup] menu, see “14-2 Using the Setup Menu”.
Problem
Use this keyboard:
Operation
mth
abc
cat
2D
sin63
°
= 0.8910065242
TRIG
Func
s
63
w
2 · sin45
°
×
cos65
°
TRIG
Func
2
*
s
45
)*
c
65
w
= 0.5976724775
Can be omitted.
cosec30
°
=
1
= 2
TRIG
Func
1
/
s
30
w
or
sin30
°
)
N
1
c
9
s
30
w
sin
–1
0.5 =30
°
TRIG
Func
S
0.5
w
(Determine
x
for sin
x
= 0.5.)
“.5” can also be used.
TRIG
Func
Change the [Angle] setting to
“Radian”.
c7
/
3
w
or
c
)N
7
c
3
w
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
π
cos((––) rad) = 0.5
3
Summary of Contents for ClassPad 300 PLUS
Page 11: ...20050501 ClassPad 300 PLUS ClassPad OS Version 2 20 ...
Page 197: ...20050501 2 10 7 Using Verify 4 Input x 2 1 and press E 5 Input x i x i and press E ...
Page 649: ...20050501 u Graph Line Clustered D u Graph Line Stacked F 13 8 2 Graphing ...
Page 650: ...20050501 u Graph Line 100 Stacked G u Graph Column Clustered H 13 8 3 Graphing ...
Page 651: ...20050501 u Graph Column Stacked J u Graph Column 100 Stacked K 13 8 4 Graphing ...
Page 652: ...20050501 u Graph Bar Clustered L u Graph Bar Stacked 13 8 5 Graphing ...