SOLUTION: Hi please help me...What formula do I need to solve this trigonometric identity? tan(x-y-z) knowing that: tan(x)={2- sqrt(3)};tan(y)={sqrt(3)}; tan(z)={2+sqrt(3)}... please help,

Algebra ->  Trigonometry-basics -> SOLUTION: Hi please help me...What formula do I need to solve this trigonometric identity? tan(x-y-z) knowing that: tan(x)={2- sqrt(3)};tan(y)={sqrt(3)}; tan(z)={2+sqrt(3)}... please help,       Log On


   



Question 891822: Hi please help me...What formula do I need to solve this trigonometric identity?
tan(x-y-z) knowing that: tan(x)={2- sqrt(3)};tan(y)={sqrt(3)}; tan(z)={2+sqrt(3)}... please help, I would be very grateful:!!

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Wikipedia - half angle formulas
You'll find them all.