Hellow guys, Welcome to my website, and you are watching it secA - tanA = 2 then secA + tanA = ? ----123GRADE4. and this vIdeo is uploaded by 123gRADe4 at 2018-05-20T08:09:28-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.