HP 40gs Manuel d'utilisateur Page 294

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16-20 Step-by-Step Examples
The example at the right
shows the case for t = 0.
Select the entire expression
and press to get the
answer:
0
The example at the right
shows the case for t = π/3.
Selecting the entire
expression and pressing
displays the
message shown at the right.
Accept YES and press .
Press again to get
the result:
The next example is for t =
2π/3. Selecting the entire
expression and pressing
displays the result:
0
The final example is for the
case where t = π. Press
, accept YES to the
message UNSIGNED INF.
SOLVE?, press and
press to get the
result:
Here, then, are the variations of and :
xt() yt()
hp40g+.book Page 20 Friday, December 9, 2005 1:03 AM
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