document.write( "Question 1182302: Given triangle ABC, if csc A=13/7, then what is the exact value of cos A in fraction form. Include a labeled sketch. \n" ); document.write( "
Algebra.Com's Answer #812279 by ikleyn(52814)\"\" \"About 
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\n" ); document.write( "Given triangle ABC, if csc A=13/7, then what is the exact value of cos A in fraction form.
\n" ); document.write( "Include a labeled sketch.
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document.write( "If csc(A) = \"13%2F7\",  then  sin(A) = \"7%2F13\"  and  \r\n" );
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document.write( "    cos(A) = +/- \"sqrt%281-+%287%2F13%29%5E2%29\" = +/- \"sqrt%281-+49%2F169%29\" = +/- \"sqrt%28%28169-49%29%2F169%29\" = +/- \"sqrt%28120%29%2F13\" = +/- \"%282%2Asqrt%2830%29%29%2F13\".      ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "Regarding the plot, make it on your own. (Two plots are possible).\r
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\n" ); document.write( "\n" ); document.write( "This forum is not an art studio to make plots on your requests.\r
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