evaluating trigonometric functions

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11:21

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11:34

15:37

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4:48

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6:47

9:14

5:42

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13:59

8:38

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21:42

29:42

29:13

کوتاه

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10:37

13:50

3:19

9:57

11:16

4:33

4:33

8:42

6:01

5:57

8:56

4:58

5:01

1:42:32

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