document.write( "Question 712694: sinx=2/7, find cotx \n" ); document.write( "
Algebra.Com's Answer #438110 by stanbon(75887) ![]() You can put this solution on YOUR website! sinx=2/7, find cotx \n" ); document.write( "---- \n" ); document.write( "If sin(theta) = 2/7, y = 2 and r = 7 \n" ); document.write( "Solve for \"y\": \n" ); document.write( "r^2 = x^2 + y^2 \n" ); document.write( "49 = x^2 + 4 \n" ); document.write( "x = sqrt(41) \n" ); document.write( "----- \n" ); document.write( "cot(theta) = x/y = sqrt(41)/2 \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |