coordonnees polaires

[demermont]

Bonjour.
Comment transformer les coordonnées polaires en coordonnées rectangulaires sur un TI 86?
la commande sur une TI 83:P ► Rx (I, A) ÷ 60 → L

Merci de votre aide
demermont

[Adriweb]

La réponse est sur la knowledge base de TI : https://epsstore.ti.com/OA_HTML/csksxvm ... etId=80032

How do I perform polar to rectangular and rectangular to polar conversions using the TI-85 and TI-86?


The examples below demonstrate how to perform polar to rectangular and rectangular to polar coordinate conversions using the TI-85 and TI-86.

To convert from polar to rectangular:

Note: The angle mode is set to "Degree".

• Input (3,4)
• Press [2nd] [CPLX]
• Press [MORE] [F2] [ENTER]

The screen will show (5<53.1301023542) as the solution. The < symbol denotes the "angle" symbol on the calculator.




To convert from rectangular to polar:

• Input (5<53.13).

Note: To access the < (angle) symbol, press [2nd] [,].

• Press [2nd] [CPLX]

• Press [MORE] [F1] [ENTER]

The screen will show (3.000..., 3.999...) as the solution, which is approximately (3,4).




Please see the TI-85 and TI-86 guidebooks for additional information.

[demermont]

OK,
Merci