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January 30, 2015

January 30, 2015

Posted by **Tabby** on Monday, January 10, 2011 at 5:47pm.

3. f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.

- Trig/Math -
**Damon**, Monday, January 10, 2011 at 5:52pmamplitude is 1/4 given

when x/2 = 2pi we have a period

4 pi is period

- pi/2 is phase shift

same deal for the next one

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