document.write( "Question 128259This question is from textbook Geometry
\n" ); document.write( ": When do you use sin^-1 on triangles? \n" ); document.write( "

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Read sin^-1 as \"the angle whose sine is...\" So if you have the value of the sine function for an angle, and you want to know the measure of that angle, you would apply the sin^-1 function. In other words, if $\"sin%28x%29=y\"$ then sin^-1(y)=x \n" ); document.write( "

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