document.write( "Question 1089663: tan(17π/4)cos(-11π/4)+sec(-34π/3)csc(25π /6) \n" ); document.write( "
Algebra.Com's Answer #704046 by ikleyn(52787)\"\" \"About 
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document.write( "Before making calculations, simplify and evaluate each term/factor separately:\r\n" );
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document.write( "1)  \"tan%2817pi%2F4%29\" = \"tan%28pi%2F4%29\" = 1;\r\n" );
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document.write( "2)  \"cos%28-11pi%2F4%29\" = \"cos%28-3pi%2F4%29\" = \"-sqrt%282%29%2F2\";\r\n" );
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document.write( "3)  \"sec%28-34pi%2F3%29\" = \"1%2Fcos%28-34pi%2F3%29\" = \"1%2Fcos%28-4pi%2F3%29\" = \"1%2F%28%28-1%2F2%29%29\" = -2;\r\n" );
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document.write( "4)  \"csc%2825pi%2F6%29\" = \"1%2Fsin%2825pi%2F6%29\" = \"1%2Fsin%28pi%2F6%29\" = \"1%2F%28%281%2F2%29%29\" = 2.\r\n" );
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document.write( "Now you have everything to complete calculations in one line:\r\n" );
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document.write( "tan(17π/4)cos(-11π/4)+sec(-34π/3)csc(25π /6) = \"1%2A%28-sqrt%282%29%2F2%29+%2B+%28-2%29%2A2%29\" = \"-sqrt%282%29%2F2+-+4\".\r\n" );
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