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April 21, 2014

April 21, 2014

Posted by **Anonymous** on Friday, March 1, 2013 at 12:46pm.

- Trig needs help -
**PsyDAG**, Friday, March 1, 2013 at 1:05pmIndicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

- Urgent -
**Steve**, Friday, March 1, 2013 at 5:31pmin QI, cosx = 4/5

in QII, sinx = 5/13

now you can get tanx and tany, and use the formula for tan(x+y)

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