document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112843>Question 1112843</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 0 < x < 90 and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cos+x+=+3%2Fsqrt+%2810%29+ ALIGN=MIDDLE  ALT=\"+cos+x+=+3%2Fsqrt+%2810%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, compute log(sinx)+log(cosx)+log(tanx). </SPAN>\n" );
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document.write( "log(sinx)+log(cosx)+log(tanx) = log(sinx*cosx*tanx) = log((sinx)^2)<br><BR>\n" );
document.write( "If the angle is in quadrant I and cosx = 3/sqrt(10), then sinx = 1/sqrt(10).<br><BR>\n" );
document.write( "Then log((sinx)^2) = log(1/10) = -1. </SPAN>\n" );
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