February 23, 2017

Homework Help: geometry

Posted by Sara on Sunday, January 17, 2010 at 11:08am.

If given an a cos, sin, or tan of an angle of a right triangle, what steps would you take on your calculator to find the measure of that angle? (For example: cos A = .7986, find angle A, The opposite side is 3. The hypotnuse is 5. And the adjacent side is 4)

If someone would just explain what to do with a graphing calculator (TI-84), that would mean a lot! thanks

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