solve with secant and tangent

4:48

4:48

4:48

کوتاه

6:36

6:36

1:24

12:44

6:01

2:00

3:56

9:00

10:25

15:20

2:04

30:24

9:36

11:51

1:28

11:38

10:41

4:28

4:28

2:44

2:44

11:02

10:01

9:53

20:01

2:48

1:18

3:54

کوتاه

6:10

2:47

6:10

4:46

3:17

7:36

1:38:23