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April 23, 2014

April 23, 2014

Posted by **Chloe Mack** on Sunday, January 30, 2011 at 7:40pm.

- Pre-Calculus-Trig -
**helper**, Sunday, January 30, 2011 at 9:16pmDraw a triangle.

The the road would be the base, which is 1 mile or 5280 feet and the side opposite angle A would be 140.

You need angle A. You have side a = 140 feet, and side b = 5280 feet.

tan A = opp/adj = a/b = 140/5280

tan A = 140/5280 = ?

arctan ? = angle A

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