chapter 3 review - weeblyksininger.weebly.com/uploads/2/4/4/3/24433405/end_of...foundations of math...
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Foundations of Math 11 Name ___________________________
Chapter 3 Review
sin A=___________; cos A =___________; tan A = ___________
To recall these trigonometric ratios quickly, remember the acronym:
___ ___ ___ ___ ___ ___ ___ ___ ___
1. Find the measure of angle X, to the nearest degree.
(a) (b)
(c) (d)
![Page 2: Chapter 3 Review - Weeblyksininger.weebly.com/uploads/2/4/4/3/24433405/end_of...Foundations of Math 11 Chapter 3 Review (e) Find side WX (f) Find side EF 2. Calculate the length of](https://reader030.vdocuments.mx/reader030/viewer/2022040609/5ecbd03fb0202469f177b9d2/html5/thumbnails/2.jpg)
Foundations of Math 11 Chapter 3 Review
(e) Find side WX (f) Find side EF
2. Calculate the length of CD to the
nearest tenth of a centimetre.
When you don’t have a right triangle, you may NOT use SOHCAHTOA. Why?
____________________________________________________________________________
SINE LAW:
COSINE LAW—when you are looking for a side:
COSINE LAW—when you are looking for an angle:
![Page 3: Chapter 3 Review - Weeblyksininger.weebly.com/uploads/2/4/4/3/24433405/end_of...Foundations of Math 11 Chapter 3 Review (e) Find side WX (f) Find side EF 2. Calculate the length of](https://reader030.vdocuments.mx/reader030/viewer/2022040609/5ecbd03fb0202469f177b9d2/html5/thumbnails/3.jpg)
Foundations of Math 11 Chapter 3 Review
Practice
![Page 4: Chapter 3 Review - Weeblyksininger.weebly.com/uploads/2/4/4/3/24433405/end_of...Foundations of Math 11 Chapter 3 Review (e) Find side WX (f) Find side EF 2. Calculate the length of](https://reader030.vdocuments.mx/reader030/viewer/2022040609/5ecbd03fb0202469f177b9d2/html5/thumbnails/4.jpg)
Foundations of Math 11 Chapter 3 Review
Practice