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Trigonometry: Solving for Hypotenuse using Cosine (Type 2)

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Subject MathGeometry
Grade Level Grades 9-12
Resource Type Assessment, Handout, Presentation, Worksheet
Standards Alignment
Common Core State Standards, State-specific

About This Lesson

This is the second type of trigonometry we teach our students. When you have the length of the adjacent side and the adjacent angle and want the hypotenuse length. This lesson includes: Power-point, Printable instruction sheet , and corresponding Assignments.

Resources

Files

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Trig Cosine 2nd Type_b_web.pptx

Presentation
February 10, 2020
242.88 KB
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Cosine type 2 Instructions.pdf

Handout, Worksheet
February 13, 2020
15.04 KB
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Hwrk_Trig_adj_type_2_2nd_pg1.pdf

Assessment
February 13, 2020
14.66 KB
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Hwrk_Trig_adj_type_2_2nd_pg2.pdf

Assessment
February 13, 2020
10.49 KB
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Hwrk_Trig_adj_type_2_2nd_pg3.pdf

Assessment
February 13, 2020
10.87 KB
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Hwrk_Trig_adj_type_2_2nd_b_pg1.pdf

Assessment
September 23, 2021
15.83 KB
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Hwrk_Trig_adj_type_2_2nd_b_pg2.pdf

Assessment
September 23, 2021
11.6 KB

Standards

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).
Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.
Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.

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