Question 532590:  find sin -1 1/2 in radians and degrees. we cant use a calculator 
 Answer by Alan3354(69443)      (Show Source): 
You can  put this solution on YOUR website! find sin -1 1/2 in radians and degrees. we cant use a calculator 
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It's pi/6 radians, or 30 degs. 
Are you allowed to know it? 
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arcsin(1/2) = 30 + n*360 degs, n = 0,1,2,3... 
arcsin(1/2) = 150 + n*360 degs, n = 0,1,2,3... 
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arcsin(1/2) = pi/6 + 2n*pi radians, n = 0,1,2,3... 
arcsin(1/2) = 5pi/6 + 2n*pi radians, n = 0,1,2,3... 
 
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