document.write( "Question 789945: find exact value of cos^-1 (1) \n" ); document.write( "
Algebra.Com's Answer #479759 by lwsshak3(11628) ![]() You can put this solution on YOUR website! find exact value of cos^-1 (1) \n" ); document.write( "cos^-1 (1)=0 \n" ); document.write( " |