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October 21, 2014

October 21, 2014

Posted by **Abhishek Ranjan** on Sunday, June 16, 2013 at 11:05pm.

2cos4θ+8cos3θ+32cos2θ+56cosθ+100

- Geometry -
**Whatever**, Monday, June 17, 2013 at 3:35amGuys, don't give any numerical answer to this cheater. This question is lifted from a Mathematics and Physics Olympiad website, brilliant(dot)org, which gives points for every correct answer given to the problems there.

Please, sir, solve the problem on your own. The purpose of solving problems on that wonderful website is NOT to gain points or anything, but to enhance your problem solving skills. So please bear that in mind whenever you encounter any other problem in the future.

Also, you must have overlooked the FAQ section of that website. Users are explicitly discouraged to post any question from that site elsewhere, and any violator might be kicked out of Brilliant.

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