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July 26, 2014

July 26, 2014

Posted by **Heather** on Tuesday, March 19, 2013 at 3:22pm.

- Trig -
**Steve**, Tuesday, March 19, 2013 at 3:28pmdraw the triangles and you will see that

tan(s) = 12/5

tan(t) = 4/3

Now just plug in your sum formula:

tan(s+t) = (tan s + tan t)/(1 - tan s * tan t)

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