document.write( "Question 1118937: If sin (theta) = 8/17, find the two possible values for [tan(theta) + sec(theta)] \n" ); document.write( "
Algebra.Com's Answer #734369 by Theo(13342)![]() ![]() You can put this solution on YOUR website! i'll use x for theta.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the problem then reads:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "sin(x) = 8/17, find the two possible values for (tan(x) + sec(x)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "one way to solve this:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "sin(x) = 8/17 means x = 28.07248694 degrees.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that's in the first quadrant.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "sin(x) is positive in the first and second quadrants.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the equivalent angle in the second quadrant is 180 - 28.07248694 = 151.9275132 degrees.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the two possible values of tan(x) + sec(x) would be:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1 and 1/3 in the first quadrant and minus 1 and 1/3 in the second quadrant.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this can be seen in the following graph.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the sine function is .471 in both equations.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that makes those 2 angles equivalent, because they have the same value for their sine function.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the tan(x) + sec(x) function is plus 1.667 in the first quadrant and minus 1.667 in the second quadrant.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i believe this is the way you solve this.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you find the angle in the four quadrants that have sine = 8/17.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "those two angles were found in the first and second quadrant only.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you then find tan(x) + sec(x) for those angles.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |