document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871872>Question 871872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if tan(beta) is undefined and sin(beta)<0, then beta is? the answer is 270 degrees i am not sure what formula to use. \r<BR>\n" );
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document.write( "Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525764 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=525764\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if tan(beta) is undefined and sin(beta)<0, then beta is? the answer is 270 degrees i am not sure what formula to use. <BR>\n" );
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document.write( "I don't think they want you to use a formula.<BR>\n" );
document.write( "They are testing your knowledge of the function values.<BR>\n" );
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document.write( "Since tan = y/x, tan is undefined when x is zero.<BR>\n" );
document.write( "That occurs when b is 90  or b is 270.<BR>\n" );
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document.write( "Sin is negative in QIII and QIV.<BR>\n" );
document.write( "So the answer is 270<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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