document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66819>Question 66819</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1565770390/algebrahomeworkh>Advanced mathematics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Evaluate:<BR>\n" );
document.write( "A.) Arcsin [ -(square root of 3)/2]\r<BR>\n" );
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document.write( "B.) sin [ Arccos (-3/4) ]\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #47557 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=47557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Evaluate:<BR>\n" );
document.write( "A.) Arcsin [ -(square root of 3)/2]=X SAY<BR>\n" );
document.write( "SIN(X)=-SQRT(3)/2=-SIN(60)=SIN(180+60)=SIN(240)...OR...<BR>\n" );
document.write( "...SIN(360-60)=SIN(300)<BR>\n" );
document.write( "HENCE X=240 OR 300....GENERAL FORMULA IS <BR>\n" );
document.write( "240,240+360,240+2*360......240+N*360.OR<BR>\n" );
document.write( "300,300+360,300+2*360....300+N*360\r<BR>\n" );
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document.write( "B.) sin [ Arccos (-3/4) ] =<BR>\n" );
document.write( "LET ARCCOS(-3/4)=Y.....WE HAVE TO FIND SIN(Y)=?<BR>\n" );
document.write( "COS(Y)=-3/4..THAT IS Y IS IN II OR III QUADRANTS<BR>\n" );
document.write( "SIN(Y)=SQRT[1-COS^2(Y)]=SQRT[1-9/16]=SQRT(7/16)=[SQRT(7)]/4<BR>\n" );
document.write( "IF Y IS IN II QUADRANT THEN ANSWER IS [SQRT(7)]/4<BR>\n" );
document.write( "IF Y IS IN III QUADRANT THEN ANSWER IS -[SQRT(7)]/4 </SPAN>\n" );
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