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Reciprocal Trigonometric Ratios
Presentation
•
Mathematics
•
9th - 12th Grade
•
Hard
Joseph Anderson
FREE Resource
4 Slides • 9 Questions
1
Objective:
Review Sine, Cosine, and Tangent.
Introduce the three reciprocal functions: Cosecant, Secant, and Cotangent
Using Trig Ratios
2
Fill in the Blanks
What was the acronym we used to help recall the three trig ratios: Sine, Cosine, and Tangent?
3
Math Response
What is the length of the HYPOTENUSE?
4
Math Response
What is the length of the side OPPOSITE from Angle B?
5
Math Response
What is sin(B)?
6
7
Math Response
What is cos(B)?
8
9
Math Response
What is tan(B)?
10
Cosecent, Secant, and Cotangent are Reciprocal Trig functions
Cosecent --> csc
Secent --> sec
Cotangent --> cot
11
Labeling
Find each trig ratio
20/29
29/21
20/21
21/20
29/20
21/29
12
Poll
Would you like an additional example?
Yes, please.
No, I am ready to start the assignment.
13
Math Response
Find the cotangent of Angle A.
Objective:
Review Sine, Cosine, and Tangent.
Introduce the three reciprocal functions: Cosecant, Secant, and Cotangent
Using Trig Ratios
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