November 22nd, 2013, 06:56 PM  #1 
Newbie Joined: Oct 2013 Posts: 17 Thanks: 0  Elimination Technique
Hey Im stuck on this one question. Eliminate t to give an equation that relates x and y: x=tan(9) , y=sec^2(t)2 y=_________________ My answer I got after combining the 2 formulas was y=x^22, but its wrong...so im sort of stuck here now. Any help appreciated! 
November 22nd, 2013, 07:28 PM  #2 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,950 Thanks: 1141 Math Focus: Elementary mathematics and beyond  Re: Elimination Technique
y = sec˛(t)  2 = tan˛(t) + 1  2 = x˛  1.

November 22nd, 2013, 07:38 PM  #3 
Newbie Joined: Oct 2013 Posts: 17 Thanks: 0  Re: Elimination Technique
OHH thanks!!! 
November 23rd, 2013, 03:07 AM  #4  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 408  Re: Elimination Technique Hello, SamFe! A slightly different approach . . . Quote:  

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