Bifalgorithm post · Quantitave problem solving · Triangles

Laws Sines

Laws Sines (Quantitave problem solving · Triangles) — "The law of sines applies to general triangles and relates each side to the sine of its opposite angle. I…

Ideas in this flowchart

  • Laws relating sides and angles in triangles
  • Law of sines
  • Applies to general triangles
  • Relates each side to the sine of its opposite angle
  • Useful when two angles and one side are known
  • Useful when two sides and one angle are known
  • Law of cosines
  • Generalizes the Pythagorean theorem to triangles without a right angle
  • Determines a third side when two sides and the included angle are known
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Laws Sines

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Quantitave problem solving

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"The law of sines applies to general triangles and relates each side to the sine of its opposite angle. It is especially useful when two angles and one side, or two sides and one angle, are known. The law of cosines generalizes the Pythagorean theorem to triangles without a right angle and can determine a third side when two sides and the included angle are known."

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