SOLUTION: using the law of cosines, solve for zy http://prntscr.com/rzxrcz

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Question 1156149: using the law of cosines, solve for zy
http://prntscr.com/rzxrcz

Found 3 solutions by Alan3354, josgarithmetic, Edwin McCravy:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
using the law of cosines, solve for zy
http://prntscr.com/rzxrcz
======================
Good idea.
where C is the angle between sides a & b.

Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!

Simplify and solve for ZY.

Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!


Edwin

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