document.write( "Question 630569: Let (-5,-7) be a point on the terminal side of theta.
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document.write( "Find the exact values of cos theta, csc theta, tan theta \n" );
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Algebra.Com's Answer #396995 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Let (-5,-7) be a point on the terminal side of theta. \n" ); document.write( "Find the exact values of cos theta, csc theta, tan theta \n" ); document.write( "--- \n" ); document.write( "In 3rd Quadrant you have x = -5, y = -7: \n" ); document.write( "Then r = sqrt(5^2+7^2) = sqrt(60) = 2sqrt(15)\r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( "sin = y/r = -7/(2sqrt(15)) \n" ); document.write( "cos = x/r = -5/(2sqrt(15)) \n" ); document.write( "tan = -7/-5 = 7/5 \n" ); document.write( "----------------- \n" ); document.write( "csc, sec, and ctn are the inverse. \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |