Index
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The Unit Circle
Matching exercise
Match answers on the right to the trigonometric functions on the left.
Check
Sin (180)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Sin (270)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Tan(450)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Cos(45)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Sin(-135)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Tan (-30)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Cot(210)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Sin(120)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Sec(0)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Cos(210)
???
sqr(3)/2
-sqr(3)/3
sqr(2)/2
-sqr(2)/2
1
0
-sqr(3)/2
undefined
sqr(3)
-1
Check
OK
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