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The calculator doesn't let me use sin inverse......how do I use sin inverse?

 

What is the sin of 15/17?

 Jan 1, 2016
 #1
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Hit the "2nd" key........"asin" is the sine inverse function

 

asin(15/17) =  about 61.9°    or about 118.1°   if we're in the 2nd quadrant

 

 

 

cool cool cool

 Jan 1, 2016

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