I missed a few days of class and I can't figure out how to solve Law of Cosines problems. I have the notes and formulas but I can't figure out how to do the math involved to answer the problems. I am also getting confused about how to use degrees and seconds in the Law of Sine and Cosine. I can't seem to get the correct answers and I don't really know how to solve them and enter them into my TI 86. Your help is greatly appreaciated. Thank you.


Hi Emily,

A minute is a sixtieth of a degree and a sec and is sixtieth of a minute. Thus, for example, 27 degees 14 minutes 29 seconds is

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