document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1154735>Question 1154735</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the exact value of sin(x-y) if sin x = 4/9 and sin y = 1/4\r<BR>\n" );
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document.write( "There is not enough information to find the exact value.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28x-y%29+=+%28sinx%29%28cosy%29-%28cosx%29%28siny%29 ALIGN=MIDDLE  ALT=\"sin%28x-y%29+=+%28sinx%29%28cosy%29-%28cosx%29%28siny%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Given sinx = 4/9, we know cosx is EITHER sqrt(65)/9 OR -*sqrt(65)/9;<BR>\n" );
document.write( "given siny = 1/4, we know cosx is EITHER sqrt(15)/4 OR -sqrt(15)/4.<br><BR>\n" );
document.write( "Since there is no information allowing us to determine which values to use for cosx and cosy, we can't find the value of sin(x-y).<br><BR>\n" );
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