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March 1, 2015

Posted by **Kristin** on Sunday, November 13, 2011 at 6:56pm.

- huh? -
**Damon**, Sunday, November 13, 2011 at 6:58pmwhat does

t=9pt/7

mean?

We need an angle counterclockwise from the x axis in radians or degrees.

- trig -
**Steve**, Monday, November 14, 2011 at 11:27amI think she means 9pi/7

x = cos(9pi/7) = -0.62

y = sin(9pi/7) = -0.78

so, the point is (-0.62,-0.78)

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