document.write( "Question 844799: What is The degree measure of an acute angle theta if cos 40° = sin theta \n" ); document.write( "
Algebra.Com's Answer #508962 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! if x is some angle in degrees and \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "cos(x) = sin(90 - x)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "cos(40) = sin(90 - 40)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "cos(40) = sin(50) \n" ); document.write( " |