Law of Sines and Cosines Notes and Worksheets
Lindsay Bowden - Secondary Math
4k Followers
Grade Levels
9th - 11th, Homeschool
Subjects
Resource Type
Standards
CCSSHSG-SRT.D.9
CCSSHSG-SRT.D.10
CCSSHSG-SRT.D.11
Formats Included
- Zip
Pages
20 + answer keys
Lindsay Bowden - Secondary Math
4k Followers
What educators are saying
I used this resource as an extension for my students. The students were able to use the notes examples to solve practice problems that I gave them.
These notes were exactly what I needed to help teach my students the Law of Sines and Law of Cosines!
Also included in
Get a complete High School Geometry Notes and Worksheets Bundle with units on geometry terms, transformations, circles, parallel and perpendicular lines, quadrilaterals, right triangle trig., and more! These ready-to-use geometry resources include notes and worksheets for an entire year.*No Video LPrice $140.00Original Price $175.00Save $35.00
Description
These law of sines and cosines guided notes and worksheets cover:
- Law of Sines
- Law of Sines ambiguous case
- Law of Cosines
- Proving the Law of Sines and Cosines by deriving the formulas
- Area of Triangles using Heron's formula and 1/2absin(C)
- Application problems
There are 20 total pages + all answer keys!
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Terms of Use:
This product should only be used by the teacher who purchased it. This product is not to be shared with other teachers. Please buy the correct number of licenses if this is to be used by more than one teacher.
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Total Pages
20 + answer keys
Answer Key
Included
Teaching Duration
1 Week
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Standards
to see state-specific standards (only available in the US).
CCSSHSG-SRT.D.9
Derive the formula 𝐴 = 1/2 𝘢𝘣 sin(𝐶) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.
CCSSHSG-SRT.D.10
Prove the Laws of Sines and Cosines and use them to solve problems.
CCSSHSG-SRT.D.11
Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces).
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Questions & Answers
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