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Mathematics 21 Online
OpenStudy (anonymous):

Okay, if you are working with law of sines, and you need to find an angle, if you don't have the corresponding side either, do you do the inverse?

OpenStudy (amistre64):

an actual problem might help to demonstrate with

OpenStudy (amistre64):

you need 3 parts of the triangle to determine the others in most cases

OpenStudy (amistre64):

law of cosine helps to find stuff; and law of sines makes things a bit easier in the end

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