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February 27, 2015

February 27, 2015

Posted by **Tabby** on Monday, January 10, 2011 at 7:48pm.

- Trig -
**Reiny**, Monday, January 10, 2011 at 10:14pmf(x) = -cos(3x + pi)

= -1cos 3(x+π/3)

ampl = 1

period = 2π/3

phase shift -π/3 to the left

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