document.write( "Question 338832: determine the exact value of: sin-1(-sq root of 2 over 2) \n" ); document.write( "
Algebra.Com's Answer #242896 by Fombitz(32388)\"\" \"About 
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\"sin%28theta%29=-sqrt%282%29%2F2\"
\n" ); document.write( "\"theta=225\" and \"theta=315\"
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