document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=545813>Question 545813</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x)=  sqrt (1-cosx) , what is the domain of f(x)?\r<BR>\n" );
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document.write( "More than just the answer, I need a good explanation to the answer. Please help.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #355749 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=355749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x)= sqrt (1-cosx) , what is the domain of f(x)? <BR>\n" );
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document.write( "Since you want the square root, 1-cos(x) must not be negative.<BR>\n" );
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document.write( "Solve 1-cos(x) >= 0<BR>\n" );
document.write( "cos(x) <= 1<BR>\n" );
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document.write( "But -1 <= cos(x) <= 1 for all \"x\".<BR>\n" );
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document.write( "So Domain is All Real Numbers.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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