document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=593395>Question 593395</A>: <I><SPAN STYLE=\"word-break: break-all;\"> evaluate the following trigonometric functions:<BR>\n" );
document.write( "(a) sin(-.9)<BR>\n" );
document.write( "(b) sec 1.8 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #376300 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=376300\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Decide first whether your function arguments represent radian or degree measure.  Set your calculator mode appropriately.\r<BR>\n" );
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document.write( "(a) press the decimal point key, press the 9 key, press the sign change (+/-) key, press the \"sin\" key.\r<BR>\n" );
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document.write( "(b) press the 1 key, press the decimal point key, press the 8 key, press the \"cos\" key, press the reciprocal (1/x) key.\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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