Transcript
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Law of CosinesHerons Formula
Determining b/w Sine & Cosine
December 12th, 2013
December 13th, 2013
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Heron’s Formula
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Example- Find the area
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Law of Cosines/Cosine Rule
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Examples
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Examples
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Examples
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Using Sine & Cosine Rules
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Example
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Example- Use Law of Cosines!
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Laws of Sine/Cosine Packet Review the formulas for Law of
Sines/Cosines & when you use them For 1-10 set up the problems using BOTH
law of sines/cosines, then determine which you should use to solve
Solve 11-16 (pick which to use first) 2 pts Extra Credit on test for each
challenge question you get right
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Homework Finish the packet A day Edition 2
Pg. 415 #1-3, 4B Pg. 420 #1 and #3
B day Edition 1 Pg. 340 #1-3, 4B Pg. 344-345 #1 and #3