document.write( "Question 914353: Dear Sir/Madam,
\n" ); document.write( "Please help me solve this problem:\r
\n" ); document.write( "\n" ); document.write( "Show that (1-sinA+cosA)^2 = 2(1-sinA)(1+cosA)\r
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Algebra.Com's Answer #555069 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
L.H.S. = \"%281-sinA+%2B+cosA%29%5E2+\"\r
\n" ); document.write( "\n" ); document.write( " = \"1+%2B+sin%5E2%28A%29+%2B+cos%5E2%28A%29-2sin%28A%29%2B+2cos%28A%29+-2+sin%28A%29cos%28A%29\"\r
\n" ); document.write( "\n" ); document.write( " =\"+1%2B+1+-+2+sin%28A%29+%2B+2+cos%28A%29+-+2+sin%28A%29+cos%28A%29\"
\n" ); document.write( "
\n" ); document.write( " =\"+2+-+2+sin%28A%29%2B+2cos%28A%29+-+2sin%28A%29+cos%28A%29\" \r
\n" ); document.write( "\n" ); document.write( " =\"2+%28+1%28+1-+sin%28A%29%29+%2B+cos%28A%29%28+1-+sin%28A%29%29%29\"
\n" ); document.write( "
\n" ); document.write( " = \"2+%28+1-+sin%28A%29+%29+%28+1+%2B+cos%28A%29%29\" = R.H.S.
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