document.write( "Question 767003: if [(cosx)^4/(cosy)^2]+[(sinx)^4/(siny)^2=1 then prove that [(cosy)^4/(cosx)^2]+(siny)^4/(sinx)^2 \n" ); document.write( "
Algebra.Com's Answer #467431 by tommyt3rd(5050)![]() ![]() You can put this solution on YOUR website! What needs to be done is not clear to me from the given information please repost with a clear and complete question :) \n" ); document.write( " |