document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=407805>Question 407805</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if i have a sin the equals .75 how does that equate to an angel of 37 degrees </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #287373 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=287373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2875%29=x ALIGN=MIDDLE  ALT=\"sin%2875%29=x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Just draw the unit circle and joggle a bit then all becomes clear.\r<BR>\n" );
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document.write( "sin^1(0.75) means \"what angle gives <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+0.75 ALIGN=MIDDLE  ALT=\"y+=+0.75\"   DISABLED_style= \"max-width:90%; height:auto;\" >\" if you do the unit circle. You'll see that there is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=two ALIGN=MIDDLE  ALT=\"two\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+angles ALIGN=MIDDLE  ALT=\"+angles\"   DISABLED_style= \"max-width:90%; height:auto;\" > in the range <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+-+360 ALIGN=MIDDLE  ALT=\"0+-+360\"   DISABLED_style= \"max-width:90%; height:auto;\" > degree that gives you that value.\r<BR>\n" );
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document.write( "Which is correct depends on what the problem is, what physical situation it is and so on. \r<BR>\n" );
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document.write( "x = sin^-1(0.75) = 48.6 _degrees\r<BR>\n" );
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document.write( "and\r<BR>\n" );
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document.write( "x = sin^-1(0.75) = 131.41_degrees\r<BR>\n" );
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document.write( "If you calculate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%2848.6%29 ALIGN=MIDDLE  ALT=\"sin%2848.6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > it equals <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.750 ALIGN=MIDDLE  ALT=\"0.750\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If you calculate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28131.41%29 ALIGN=MIDDLE  ALT=\"sin%28131.41%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > it equals <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.750 ALIGN=MIDDLE  ALT=\"0.750\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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