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April 18, 2015

April 18, 2015

Posted by **BreAnne** on Saturday, January 28, 2012 at 2:00pm.

Include the coordinates of each point.

I have 3 other problems like this and i have no clue how to do them. can someone help please?

- Trig -
**Damon**, Saturday, January 28, 2012 at 2:06pmx is at cos (angle)

y is at sin (angle)

so for example if angle is pi/4

x = cos(pi/4) = sqrt(2)/2

y = sin(pi/4) = sqrt(2)/2

so ( sqrt(2)/2 , sqrt(2)/2 )

if 3 pi/4 (45 deg in Quadrant 2)

x = -sqrt(2/2)

y = +sqrt(2)/2 etc

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