document.write( "Question 437230: A kite flying 20 ft. above the ground is attached to a string 80 ft. long. The string is being held by a person on the ground.if the kite fell vertically to the ground, how far away from the stake would the kite land? \n" ); document.write( "
Algebra.Com's Answer #853278 by ikleyn(53427) You can put this solution on YOUR website! . \n" ); document.write( "A kite flying 20 ft. above the ground is attached to a string 80 ft. long. \n" ); document.write( "The string is being held by a person on the ground. if the kite fell vertically to the ground, \n" ); document.write( "how far away from the stake would the kite land? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In his solution, @mananth uses this scheme\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " Find sin of the angle ---> find arcsin ---> find cos ---> find the horizontal distance.\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "In this scheme, one step is excessive.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The better scheme is\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( " find sin(a) ---> find cos(a) =\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I will use this improved scheme in my calculation\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " (1) Find sin(a) of angle of depression sin(a) = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " (2) Find cos(a) = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " (3) Horizontal distance = 80*cos(a) = 80*0.968245837 = 77.46 ft (approximately). ANSWER \n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is how this problem IS EXPECTED to be solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |