
- Resource Library
- Math
- Trigonometry
- Trigonometric Ratios Sin, Cos, Tan, Csc, Sec And Cot
- Trigonometric Ratios
Trigonometric Ratios
Presentation
•
Mathematics
•
9th Grade
•
Hard
Joseph Anderson
FREE Resource
8 Slides • 13 Questions
1
Six
Trigonometric
Ratios
By Loreno Norcio
2
Objectives
By the end of the lesson, you are expected to
identify parts of a Right Triangle
illustrate the six trigonometric ratios: sine, cosine, tangent, secant, cosecant, and cotangent
value the uses of trigonometric ratios
Six Trigonometric Ratios
3
Activity 1:
Right Triangle is Right
4
Draw
Name the sides of the right triangle.
5
Activity 2:
The Sides
6
Fill in the Blanks
Type answer...
7
Fill in the Blanks
Type answer...
8
Fill in the Blanks
Type answer...
9
Activity 3:
The Trio
Loreno Norcio
10
Multiple Choice
The SINE (sin) of an angle θ is the ratio of the opposite side to the hypotenuse. Which is its mathematical representation?
sinθ=hypotenuseopposite
sinθ=oppositehypotenuse
11
Multiple Choice
The COSINE (cos) of an angle θ is the ratio of the adjacent side to the hypotenuse. Which is its mathematical representation?
cosθ=adjacenthypotenuse
cosθ=hypotenuseadjacent
12
Multiple Select
The TANGENT (tan) of an angle θ is the ratio of the sine to cosine. Which is its mathematical representation?
tanθ=cos θsin θ
tanθ=adjacentopposite
13
Activity 4:
The Other Three
Loreno Norcio
14
Multiple Choice
The COSECANT (csc) of an angle θ is the reciprocal of SINE. Which is its mathematical representation?
cscθ=oppositehypotenuse
cscθ=hypotenuseopposite
15
Multiple Choice
The SECANT (sec) of an angle θ is the reciprocal of COSINE. Which is its mathematical representation?
secθ=hypotenuseadjacent
secθ=adjacenthypotenuse
16
Multiple Choice
The COTANGENT (cot) of an angle θ is the reciprocal of TANGENT. Which is its mathematical representation?
cotθ=adjacentopposite
cotθ=oppositeadjacent
17
MNEMONICS
SOH-CAH-TOA
CscHO-SecHA-CotAO
18
Activity 5
Applications of Trigonometric Ratios
Loreno Norcio
19
Draw
Identify the applications of trigonometric ratios based on the following pictures.
20
Draw
Identify the applications of trigonometric ratios based on the following pictures.
21
Draw
Identify the applications of trigonometric ratios based on the following pictures.
Six
Trigonometric
Ratios
By Loreno Norcio
Show answer
Auto Play
Slide 1 / 21
SLIDE
Similar Resources on Wayground
17 questions
CP - Lesson: Transversal Introduction
Presentation
•
9th Grade
17 questions
Standard Form/Scienctific Notation
Presentation
•
9th Grade
18 questions
Factor a GCF
Presentation
•
9th Grade
16 questions
Completing the square
Presentation
•
9th Grade
16 questions
Interactive Lesson Quadratic Function Transformation
Presentation
•
9th Grade
16 questions
Review of Quadratic Functions
Presentation
•
9th Grade
16 questions
CP - Lesson: Function Notation (Part 1)
Presentation
•
9th Grade
17 questions
Solving 2-Step Equations
Presentation
•
9th Grade
Popular Resources on Wayground
24 questions
PBIS-HGMS Day 10
Quiz
•
6th - 8th Grade
10 questions
HCS SCI 03 Summer School Review 3
Quiz
•
3rd Grade
11 questions
Home Scope
Quiz
•
7th - 8th Grade
15 questions
HCS SCI 05 Summer School Assessment 3 Review
Quiz
•
5th Grade
35 questions
Lufkin Road Middle School Student Handbook & Policies Assessment
Quiz
•
7th Grade
18 questions
Geo 11.3 Area of Circles and Sectors
Quiz
•
9th - 11th Grade