Find all such that .

EDIT: the (main) title is wrong, it should be 13sinx-84cosx = 17.

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- Feb 24th 2011, 03:19 PMResilientSolving 13sinx-84cosx = 17
Find all such that .

EDIT: the (main) title is wrong, it should be 13sinx-84cosx = 17. - Feb 24th 2011, 05:26 PMskeeter
- Feb 24th 2011, 06:14 PMResilient
- Feb 25th 2011, 01:35 PMskeeter
- Feb 25th 2011, 07:04 PMskoker
@Resilient

I had one just like this and I found a way to get the correct solution with pencil but... your's is a bit to nasty to get a clean radian solution as skeeter says. you can check my thread how I did almost the same problem.

http://www.mathhelpforum.com/math-he...on-172605.html

I got yours into quadratic form in sin function but the coefficients have no common factors other then 1