Hi

Find, to the nearest degree, the solution set wth domain 0< x <90

tan^2 x -5 tan x+6=0

factoring

(tanx - 3)(tanx - 2) = 0

(tanx - 3) = 0     tanx = 3   x = 72° 

(tanx - 2) = 0     tanx = 2   x = 63° 

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