document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=856798>Question 856798</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the expression sin2A - 2sinA is equivalent to:\r<BR>\n" );
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document.write( "Note: sin2A = 2sinAcosA\r<BR>\n" );
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document.write( "Then 2sinAcosA - 2sinA.\r<BR>\n" );
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document.write( "Factor out 2sinA.\r<BR>\n" );
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document.write( "Answer: 2sinA(cosA - 1) </SPAN>\n" );
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