have another stupid trigo [gen. sol.] problem

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- Mar 19th 2008, 09:51 AMafeasfaerw23231233have another stupid trigo [gen. sol.] problem
have another stupid trigo [gen. sol.] problem

- Mar 19th 2008, 03:12 PMmr fantastic
The first one doesn't include solutions of the form so it's no good.

The second and third are equivalent (I'm assuming you intend n as an integer so it can have positive and negative values, not just positive values). You can quickly see this if you substitute some consecutive values of n (n = 0, 1, 2, 3, -1 , -2 , -3 ....). Having said this, I favour the second one - just because that's how I like to write it myself. Note that the second and third contain all the solutions that the first gives .....