Texas Instruments TI-36X Pro Calculator Convert Polar and rectangular angles

This video shows you how to convert Polar and Rectangular coordinates one to the other using TI-36X Pro calculator.
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Tutorial by Equaser

[@InsideOutInc]

The Angle Mode on the first problem should have been set to degrees (DEG) instead of gradians (GRAD). Here is the correct answer: r=6, θ=36.8° → x=4.8, y=3.6

[@equaser]

Perhaps you are right. I can't edit the video unless to delete it.

[@pascal1947]

@@equaser It probably should be deleted and redone. i noticed right away that I was coming up with different results as I was in DEG mode from the start. It just got too confusing when the calculator in the video suddenly switched back to DEG mode.

[@peaceofmind6141]

Yes!

[@mahimkhan108]

no calculator should be in Rad and not in DEG. DEG gives incorrect results