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## Homework Statement

[PLAIN]http://img192.imageshack.us/img192/8160/3233q.jpg [Broken]

Need to show the gravitational acceleration:

[tex]g = g_{0}sin(\theta)\hat{x}-g_{0}cos(\theta)\hat{y}[/tex]

where [itex]g_{0}=9.81ms^{-2}[/itex].

(note that the g, x and y, should all have underbar notations).

## Homework Equations

[included within problem statement and solution attempt]

## The Attempt at a Solution

I know this is simple and easy but I seem to have just forgotten how to do trigonometry!

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