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October 1, 2014

October 1, 2014

Posted by **Tabby** on Monday, January 10, 2011 at 4:59pm.

5. Write the equation of the sine function with an amplitude of 4, a period of pi/2, and a phase shift of -pi/4.

- Trig -
**drwls**, Monday, January 10, 2011 at 5:04pm4. Y = (1/3) cos (x - 3pi/2)

5. Y = 4 sin (4x + pi/4)

The general form is

Y = (amplitude)*(sin or cos)(2 pi x/P - phase shift)

where P is the period.

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