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whats the key for inverse sin?

 Jun 8, 2017
 #1
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whats the key for inverse sin?

 

\(sin\ \alpha = a\\ \color{blue}asin \ a= \alpha\)

 

\(sin\ 30°=0.5\\ \color{blue} asin\ 0.5=30°\)

 

laugh  !

 Jun 8, 2017
edited by asinus  Jun 8, 2017
 #2
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There are a few different ways to get the inverse sin .

 

You can press the  " 2nd "  button in the top left, then press  " acos "

...or...

You can type in " acos(  ) ," " arccos(  ) ," or " cos^-1(  ) " into the bar.

 Jun 8, 2017

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