whats the key for inverse sin?
\(sin\ \alpha = a\\ \color{blue}asin \ a= \alpha\)
\(sin\ 30°=0.5\\ \color{blue} asin\ 0.5=30°\)
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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.
+476 
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