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Trig Values of Special Angles

This provides practice in identifying the trigonometric values of functions whose reference angles are 0, 30, 45, 60, 90. (All angles are expressed in degrees.)
AB
sin 45(root 2)/2
cos 180-1
sin 00
cos 330(root 3)/2
sin 301/2
sin 315-(root 2)/2
sin 901
cos 120-1/2
sin 240-(root 3)/2
tan 240root 3
tan 210(root 3)/3
tan 120-(root 3)
tan 330-(root 3)/3
sec 602
csc 210-2
csc 1202(root 3)/3
sec 210-2(root 3)/3
Mary Burkholder

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