document.write( "Question 1058235: Cos^-1 (Sin π/8) \n" ); document.write( "
Algebra.Com's Answer #673288 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Cos^-1 (Sin pi/8) \n" ); document.write( "sin(pi/8) = cos(pi/2 - pi/8) = cos(3pi/8) \n" ); document.write( "--> 3pi/8 \n" ); document.write( " \n" ); document.write( " |