Can you help me to establish identity of csc^2u-csc u sec u=cot^2 u

Here is my first post. https://www.askmehelpdesk.com/relationships/girlfriend-wanted-break-how-long-should-wait-before-contact-her-247593.html So I established NC for about 2 weeks excluding the text from her aunt. But yesterday she was talking to my friend by aim which she sent me a copy of...

Hi, I really need some help. The man listed on my birth certificate as my father denies that I am his daughter. Him and my mother were legally married at the time of my birth, but were separated. For medical reasons as well as piece of mind, I need to know if he is my biological father. Is it...

I have a seven year old son, and there is no father on his birth certificate. His biological father died when I was 4 months pregnant with him and he has never had anything to do with that side of the family because they are not the kind of people to have a child around. I have been with my...

I have been single almost 6 years,I have been on a dating service and have had over 300 matches in 3years.I have actually met about 60 ladys.I am now 70 and the matches have ranged from 60 -70 years of age. I am not heavy,I AM healthy, exercize regulary,think I am fairly good looking,and not a...