document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=903351>Question 903351</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find sinx and cosx if tanx=3/4 and sin is greater than 0. Use the Pythagorean identities rather than reference triangles. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #547944 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=547944\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> tan x = 3/4\r<BR>\n" );
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document.write( "tanx =  rise/run = 3/4\r<BR>\n" );
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document.write( "rise=3k<BR>\n" );
document.write( "run=4k\r<BR>\n" );
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document.write( "hypotenuse r = sqrt(3k)^2+(4k)^2)\r<BR>\n" );
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document.write( "r= sqrt((3k)^2+(4k)^2)\r<BR>\n" );
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document.write( "r=sqrt(9k^2+16k^2)\r<BR>\n" );
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document.write( "=sqrt(25k^2)\r<BR>\n" );
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document.write( "=5k\r<BR>\n" );
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document.write( "sin x = 3k/5k = 3/5\r<BR>\n" );
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document.write( "cos x = 4k/5k = 4/5 </SPAN>\n" );
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