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Created by Michael Whipple

Cosecant (quadrantal)

csc 0=undefined
csc 90=1
csc 180=undefined
csc 270=-1
csc 360=undefined


csc 30=2
csc 45=√2
csc 60=2√3/2

Cosine (quadrantal)

cos 0=1
cos 90=0
cos 180=-1
cos 270=0
cos 360=1


cos 30=√3/2
cos 45=√2/2
cos 60=1/2


cot 30=√3
cot 45=1
cot 60=√3/3

Cotan (quadrantal)

cot 0=undefined
cot 90=0
cot 180=undefined
cot 270=0
cot 360=undefined

Quadrantal Angles

0° 90° 180° 270° 360°


sec 30=2√3/3
sec 45=√2
sec 60=2

Secant (quadrantal)

sec 0=1
sec 90=undefined
sec 180=-1
sec 270=undefined
sec 360=1

Sine (quadrantal)

sin 0=0
sin 90=1
sin 180=0
sin 270=-1
sin 360=0


sin 30=1/2
sin 45=√2/2
sin 60=√3/2

Special Angles

30° 45° 60°


tan 30=√3/3
tan 45=1
tan 60=√3

Tangent (quadrantal)

tan 0=0
tan 90=undefined
tan 180=0
tan 270=undefined
tan 360=0

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