Homework 2-12-13

1st: notes page 247. (*****Select a percent grade for your ramp between 20 and 80 degrees.*****)

Trig vid.

http://www.khanacademy.org/math/trigonometry/basic-trigonometry/basic_trig_ratios/v/basic-trigonometry

3-4, page 214 all.

 

 

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