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yarga [219]
3 years ago
14

Law of Cosine/Sine problem.

Mathematics
1 answer:
storchak [24]3 years ago
4 0
Either or can be used with any triangle...I personally find the law of sines is often more compact as in this case we can just say;

(sin115)/18=(sin40)/c  (with no need for b or B as would be needed with the law of cosines...)

c=18(sin40)/(sin115)

c≈12.77


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