trigonometric functions on the unit circle (4.2 in book) · 2016. 1. 31. · 2 trig on the unit...
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2 Trig on the Unit Circle notes.notebook
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Trigonometric Functions
on the Unit Circle (4.2 in book)
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What you already know:
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NAME Notation Value
Trig Functions on the Unit circle
Sine sin yCosine cos xTangent tan y/xCosecant csc 1/ySecant sec 1/xCotangent cot x/y
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(1,0)
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cos =
sin
tan 120
csc 360
sec
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Even/Odd functions* cos and sec are even functionscos(x)=cos(x) sec(x)=sec(x)
* everything else is oddsin(x)= sin(x)
csc(x)=
tan (x)=
cot (x)=
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cos( )
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