Is tan(x + 90) = -cot(x) ?

Results 1 to 5 of 5

- Nov 12th 2013, 08:04 AM #1

- Joined
- Mar 2012
- From
- India
- Posts
- 85

- Nov 12th 2013, 08:46 AM #2

- Joined
- Apr 2005
- Posts
- 18,948
- Thanks
- 2737

- Nov 12th 2013, 08:47 AM #3

- Joined
- Nov 2010
- Posts
- 2,222
- Thanks
- 861

- Nov 12th 2013, 11:14 AM #4

- Joined
- Mar 2012
- From
- India
- Posts
- 85

- Nov 12th 2013, 11:32 AM #5

- Joined
- Nov 2010
- Posts
- 2,222
- Thanks
- 861