Law of Cosines Part 1
11
Triangles in Real Life
Transcript of Law of Cosines Part 1
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Triangles in Real Life
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Triangles in Real Life
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Triangles in Real Life
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Triangles in Real Life
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Today’s Objectives
Review right triangle trigonometry and triangle postulates
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Today’s Objectives
Review right triangle trigonometry and triangle postulates
Use right triangle trigonometry to develop the law of cosines
![Page 7: Law of Cosines Part 1](https://reader035.fdocuments.us/reader035/viewer/2022062405/55641a82d8b42a6e298b4619/html5/thumbnails/7.jpg)
Today’s Objectives
Review right triangle trigonometry and triangle postulates
Use right triangle trigonometry to develop the law of cosines
Use the law of cosines to solve problems
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Review
A
BC
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Review
A
BCa = 8 cm
c = 10 cm
θ = ?
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Review
A
BC
b = ?
a = 8 cm
c = 10 cm
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Go to Chat on the Main page.
Please pause for discussion.
A
BC
b = ?
a = 8 cm
c = 10 cm
θ = ?