February 24th, 2013, 07:37 PM  #1 
Senior Member Joined: Aug 2012 From: South Carolina Posts: 866 Thanks: 0  trick question
_____ 8sin^2(x) = 8cos^2(x) 
February 24th, 2013, 07:40 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 521 Math Focus: Calculus/ODEs  Re: trick question
Hint: Now multiply through by 8. 
February 24th, 2013, 08:04 PM  #3  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 408  Re: trick question Hello, mathkid! A strange way to write the problem . . . Quote: [color=beige]. . . . . . . . . . . . . . . [/color] [color=beige]. . . . . . . . . . . . . . . [/color] [color=beige]. . . . . . . . . . . . . . . [/color]  
February 25th, 2013, 03:51 AM  #4 
Senior Member Joined: Aug 2012 From: South Carolina Posts: 866 Thanks: 0  Re: trick question
ok yes I know the sin squared + cos squared = 1 solving algebraically for the missing variable or blank was so simple seeing it now. I just need to practice the trig more. makes me want to puke sometimes...lol


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