document.write( "Question 453145: how do i evaluate Arcsin(-1)? with no calculator \n" ); document.write( "
Algebra.Com's Answer #311378 by stanbon(75887)\"\" \"About 
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how do i evaluate Arcsin(-1)? with no calculator
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\n" ); document.write( "You have to know that Arcsin(-1) means \"the angle
\n" ); document.write( "whose sine is -1\".
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\n" ); document.write( "Then you have to know that sine is -1 when the
\n" ); document.write( "angle is 270 degrees or (3/2)pi radians.
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\n" ); document.write( "If you know both of those things, you know the
\n" ); document.write( "answer to your problem is arcsin(-1) = 270 degrees.
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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