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To get back to the HOME screen press 2
we press the SIN button then 3
The inverse trigonometric functions are second functions above their corresponding
−
1
function. So,
sin
is a 2
OTHER FEATURES
If your HOME screen ever becomes too cluttered, we can clear it by using the CLEAR
button.
Another neat feature is the 2
should see that previous entries appear on the command line. The TI83 can remember
about the last 7 – 10 commands entered!!! These commands can then be edited.
The remainder of the manual discusses features as they arise in the text.
1.2 Graphs of Equations
Example 3 Graphing an Equation on a Graphing Utility
Graph the equation 6
SOLUTION
Step 1:
Done on page 15.
Step 2:
To enter the expression y
nd
0
)
nd
function of sin, etc.
nd
ENTER feature. Press 2
+
=
2
x
3
y
36
= −
2
2
x
QUIT. Suppose we wish to evaluate:
and hit ENTER.
nd
ENTER a couple of times. You
+
12
into a TI-83. Press Y =
o
sin
30
,
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