091316 RTT Six Trig Fxns.notebook
September 13, 2016
Tuesday, September 13, 2016
Trigonometry, Period 3
Lesson Overview:
• Warm Up Exercise
• Go over homework
• Six Trigonometric Functions
> Reciprocal Functions
> Cofunctions
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Warm Up:
3. A baseball diamond is a square with sides of 90 feet. What is the shortest distance to the nearest tenth of a foot between first and third base?
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Questions on the homework?
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091316 RTT Six Trig Fxns.notebook
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091316 RTT Six Trig Fxns.notebook
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Back to the idea of trigonometric RATIOS...
Let's recall your Similarity Theorems from Geometry
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091316 RTT Six Trig Fxns.notebook
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091316 RTT Six Trig Fxns.notebook
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Reciprocal Trigonometric Functions
Reciprocal Identities
Quotient Identities
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091316 RTT Six Trig Fxns.notebook
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Calculate the six trigonometric functions of Ɵ
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7
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091316 RTT Six Trig Fxns.notebook
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Calculate the six trigonometric functions of Ɵ
given AB = 13 and BC = 5
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Laugh when you get the joke...
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Special Right Triangles: 45°-45°-90°
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45°
sin(45°) =
csc(45°) =
cos(45°) =
sec(45°) =
tan(45°) =
cot(45°) =
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Special Right Triangles: 30°-60°-90°
sin(30°) =
csc(30°) =
cos(30°) =
sec(30°) =
tan(30°) =
cot(30°) =
sin(60°) =
csc(60°) =
cos(60°) =
sec(60°) =
tan(60°) =
cot(60°) =
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30°
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Cofunctions
The ratios of the cofunctions are equal when their input angles,
Θ, are complementary
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091316 RTT Six Trig Fxns.notebook
Given
September 13, 2016
find the following
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091316 RTT Six Trig Fxns.notebook
Given
September 13, 2016
find the following
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Chuckle when you get it...
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091316 RTT Six Trig Fxns.notebook
September 13, 2016
Homework 8:
Worksheet on finding trigonometric ratios
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