document.write( "Question 1163343: Use the unit circle to define cos θ and sin θ for any number θ between 0 and 360,inclusive. Then explain how to use cos θ and sin θ to define tan θ. \n" ); document.write( "
Algebra.Com's Answer #787417 by ikleyn(52944)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Actually, it is written in any textbook on Trigonometry and in every textbook in Algebra,
\n" ); document.write( "which has a chapter on Trigonometry, so I really do not understand, why the tutors at this forum should replace these sources.\r
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\n" ); document.write( "\n" ); document.write( "But, if you do not have an appropriate textbook at your desk, then there is VERY NICE introduction to trigonometry under this link\r
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\n" ); document.write( "\n" ); document.write( "http://amsi.org.au/teacher_modules/The_trigonometry_functions.html\r
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\n" ); document.write( "\n" ); document.write( "http://amsi.org.au/teacher_modules/The_trigonometry_functions.html\r
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\n" ); document.write( "\n" ); document.write( "So, read from this source and have fan (!)\r
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\n" ); document.write( "\n" ); document.write( "Do not forget to post your deepest \"THANKS\" to me for pointing you this source.\r
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