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Trigonometric Function ( in, co , tan) and Inver e Trigonometric
Function ( in
–1
, co
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
sin63° = 0.8910065242
2 · sin45°
cos65°
= 0.5976724775
1
cosec30° =
= 2
sin30°
sin
–1
0.5 =30°
x
x
(Determine
for sin
cos((
) rad) = 0.5
3
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
–1
, tan
–1
)
U e thi keyboard:
mth
abc
TRIG
TRIG
TRIG
TRIG
= 0.5.)
TRIG
20060301
cat
2D
Func
63
Func
2
Can be omitted.
Func
1
Func
0.5
".5" can also be used.
Func
Change the [Angle] setting to
"Radian".
Operation
45
65
30
or
1
30
3
or
3
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