document.write( "Question 1076558: Hi can someone help me with this problem please? THANK YOU! \r
\n" ); document.write( "\n" ); document.write( "Simplify the expression cos^-1[sin(-pi/6)]
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Algebra.Com's Answer #691206 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Simplify the expression cos^-1[sin(-pi/6)]
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\n" ); document.write( "Note:: sin(-pi/6) = -1/2
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\n" ); document.write( "And cos^-1(-1/2) = (5/6)pi or (7/6)pi
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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