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sin(0)
0
sin(30)
1/2
sin(45)
√2/2
sin(60)
√3/2
sin(90)
1
sin(180)
0
sin(270)
-1
sin(360)
0
cos(0)
1
cos(30)
√3/2
cos(45)
√2/2
cos(60)
1/2
cos(90)
0
cos(180)
-1
cos(270)
0
cos(360)
1
tan(0)
0
tan(30)
√3/3
tan(45)
1
tan(90)
undefined/infinity
tan(180)
0
tan(270)
undefined/infinity
tan(360)
0
tan(60)
√3
what is the period of a sin graph?
360 degrees
what is the period of a cos graph?
360 degrees
what is the period of a tan graph?
180 degrees