document.write( "Question 439288: Prove that the following statement is an identity.\r
\n" ); document.write( "\n" ); document.write( "1) (sin x + tan x)/ (1+sec x) = sin x \n" ); document.write( "

Algebra.Com's Answer #303549 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( " = sin x\r\n" );
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document.write( "use  to replace \r\n" );
document.write( "and use  to replace \r\n" );
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document.write( "Multiply both terms on top and the\r\n" );
document.write( "term on the bottom by \r\n" );
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document.write( "Factor  out on top\r\n" );
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document.write( "Cancel the 's:\r\n" );
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document.write( "and you're left with:\r\n" );
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document.write( "Edwin

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