document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=628989>Question 628989</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the exact value of (sinB)^2 when cosB= 2/5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #395961 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=395961\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sin^2 + cos^2 = 1\r<BR>\n" );
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document.write( "sin^2 + (2/5)^2 = 1\r<BR>\n" );
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document.write( "sin^2 + 4/25 = 1\r<BR>\n" );
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document.write( "sin^2  = 1 - 4/25\r<BR>\n" );
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document.write( "sin^2  = 25/25 - 4/25\r<BR>\n" );
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document.write( "sin^2  = 21/25\r<BR>\n" );
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document.write( "So the answer is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21%2F25 ALIGN=MIDDLE  ALT=\"21%2F25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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