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When do you use law of sines and law of cos sines?

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MysteryMania

Lvl 1
∙ 13y ago
Updated: 10/25/2022

Use Law of Sines if you know:

  • Two angle measures and any side length or
  • Two side lengths and a non-included angle measure.

Use Law of Cosines if you know:

  • Two side lengths and the included angle measure or
  • Three side lengths.
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Wiki User

 ∙ 13y ago

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