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February 02, 2012
6.1-2 Law of Sines
and Law of Cosines
Essential Question:
What are the two laws and when can we use them to
solve for missing information in triangles?
Standard: Trig. 13.0

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Congruent Triangles in Geometry:
How can you prove two triangles are congruent?

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The Law of Cosines:
Useful in the following situations:

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February 02, 2012
The Law of Sines:
Useful with the following situations:

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BEWARE OF THE
AMBIGUOUS CASE!!!
Coming soon...

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Ex. 1) Solve the triangle.

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Ex. 2) Solve the triangle.

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Ex. 3) Solve the triangle.

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Ex. 4) Solve the triangle.

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Ex. 5) Solve the triangle.

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Area Formulas
SAS Case:
SSS Case:

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Assignment:
6.1-2 WS

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4.8 Even Solutions

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