document.write( "Question 1028834: Find the exact value of each of the following. In each case, show your work and explain the steps you take to find the value.\r
\n" ); document.write( "\n" ); document.write( "1. sin 17pi/6\r
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Algebra.Com's Answer #643899 by ikleyn(52946)\"\" \"About 
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\n" ); document.write( "Find the exact value of each of the following. In each case, show your work and explain the steps you take to find the value.\r
\n" ); document.write( "\n" ); document.write( "1. sin 17pi/6\r
\n" ); document.write( "\n" ); document.write( "2. tan 13pi/4\r
\n" ); document.write( "\n" ); document.write( "3. sec 11pi/3
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document.write( "1.  \"sin%2817pi%2F6%29\" = \"sin%2818pi%2F6+-+1pi%2F6%29\" = \"sin%283pi+-+pi%2F6%29\" = \"sin%28pi+-+pi%2F6%29\"        ( since sin is periodic with the period of \"2pi\" )\r\n" );
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document.write( "    = \"sin%28pi%2F6%29\" =      ( since \"sin%28pi-alpha%29\" = \"sin%28alpha%29\" for any \"alpha\" )\r\n" );
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document.write( "    = \"1%2F2\".             ( as everybody knows )\r\n" );
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