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Trigonometry Basics
Radians to Degrees and Sin, Cos, Tan of 30, 60, and 45
50 cards·by sfhohnstadt
tancossintrigtrigonometryradians
45 degrees
pi/4
30 degrees
pi/6
180 degrees
pi
270 degrees
3pi/2
90 degrees
pi/2
45 degrees
pi/4
360 degrees
2pi
0 degrees
0
sin 30 degrees
1/2
cos 30 degrees
(sq rt 3)/2
tan 30 degrees
(sq rt 3)/3
sin 45 degrees
(sq rt 2)/2
cos 45 degrees
(sq rt 2)/2
tan 45 degrees
1
sin 60 degrees
(sq rt 3)/2
cos 60 degrees
1/2
tan 60 degrees
sq rt 3
sin (pi/6)
1/2
cos (pi/6)
(sq rt 3)/2
tan (pi/6)
(sq rt 3)/3
sin (pi/4)
(sq rt 2)/2
cos (pi/4)
(sq rt 2)/2
tan (pi/4)
1
sin (pi/3)
(sq rt 3)/2
cos (pi/3)
1/2
tan (pi/3)
sq rt 3
sin (pi/6)
1/2
cos (pi/6)
(sq rt 3)/2
tan (pi/6)
(sq rt 3)/3
sin 0
0
cos 0
1
tan 0
0
sin 90 degrees
1
cos 90 degrees
0
tan 90 degrees
undefined
sin 180 degrees
0
cos 180 degrees
-1
tan 180 degrees
0
sin 270 degrees
-1
cos 270 degrees
0
tan 270 degrees
undefined
sin (pi/2)
1
cos (pi/2)
0
tan (pi/2)
undefined
sin pi
0
cos pi
-1
tan pi
0
sin (3pi/2)
-1
cos (3pi/2)
0
tan (3pi/2)
undefined