I'm stuck on a question at the moment.

find the limit as x approaches infinity of [cos(2x) - cos(3x)]/x^2

I'm pretty sure the answer will be 0 but i can't work out how to show to working of it.

Cheers for any help.

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- Mar 24th 2010, 07:50 PMnotsogreatLimit approaching infinity question
I'm stuck on a question at the moment.

find the limit as x approaches infinity of [cos(2x) - cos(3x)]/x^2

I'm pretty sure the answer will be 0 but i can't work out how to show to working of it.

Cheers for any help. - Mar 24th 2010, 08:28 PMTinyboss