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ArcSin seems to give an incorrect answer

Posted 4 years ago

Hi; When I key the following code into a notebook:

Solve[8/Sin[36 Degree] == 5/[Beta],[Beta], Reals] // N

ArcSin[0.3674 Degree]

I get 0.00641238 for the answer to the 2nd line - see attached, which according to my TI-89 is incorrect. My TI-89 give the answer of 21.5554.

After reviewing the documentation, I still cannot understand what I am doing incorrectly. Additionally, I have used this command in the past, and it worked great.

Thanks,

Mitch

Attachments:
POSTED BY: Mitchell Sandlin
2 Replies
Posted 4 years ago

Ouch !

POSTED BY: bogd timo
Posted 4 years ago
ArcSin[0.3674] / Degree
(* 21.5554 *)
POSTED BY: Rohit Namjoshi
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