Posted by **Kay** on Friday, December 31, 2010 at 11:06pm.

Determine the frequency of y = 2 - 3 cos 10x. (nearest tenth)

Please help

- Trig -
**bobpursley**, Saturday, January 1, 2011 at 10:48am
frequency is applied to a trig function which is dependent on time, not position.

If you had y=2-3cos10t, then frequency would be found by 2PI*frequency=10

and f= 1.59rad/sec

I am wondering if your teacher is using a private definition of frequency.

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