sin x=5/13 tan x=-5/12 ;x=? (Headbang)(Headbang)(Headbang)

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- August 3rd 2008, 07:46 AMgatewaysin x=5/13 tan x=-5/12 ;x=?
sin x=5/13 tan x=-5/12 ;x=? (Headbang)(Headbang)(Headbang)

- August 3rd 2008, 07:57 AMwingless
**Hint:**

If sin x is positive, then x can be in the 1st and 4th quadrants. If tan x is negative, x can be in the 2nd and 4th quadrants. - August 3rd 2008, 08:10 AMnikhil
- August 3rd 2008, 08:34 AMwingless
True, I counted the quadrants clockwise (Itwasntme)

- August 3rd 2008, 10:58 AMmasters