document.write( "Question 521214: Find the exact value of the expression. Do not use a calculator. Cos^-1[cos(-5pi/4)]. And. Tan^-1[(-pi/4)]. \n" ); document.write( "
Algebra.Com's Answer #346392 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the exact value of the expression. \n" ); document.write( "Do not use a calculator. \n" ); document.write( "Cos^-1[cos(-5pi/4)] = -5pi/4 \n" ); document.write( "---------------------------------- \n" ); document.write( "And. Tan^-1[(-pi/4)] = ? \n" ); document.write( "Cannot be done without a calculator. \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " |