document.write( "Question 744514: Prove the following identity:
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document.write( "2 sec^2 = 1/1- sin x + 1/1+ sin x, \n" );
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Algebra.Com's Answer #453534 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Prove the following identity: \n" ); document.write( "2 sec^2 = 1/1- sin x + 1/1+ sin x, \n" ); document.write( "*** \n" ); document.write( " \n" ); document.write( "start with right side \n" ); document.write( " \n" ); document.write( "LCD:(1+sin(x))(1+sin(x))=1-sin^2(x) \n" ); document.write( " \n" ); document.write( "verified: right side=left side \n" ); document.write( " |