Jeff K. answered 06/08/20
Tutor
New to Wyzant
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Hi Alanna:
Let's solve this one!
tan x sec x - 3 tan x = 0
tan x (sec x - 3) = 0
=> tan x = 0 or sec x - 3 = 0
=> x = 0 o π; or sec x = 3
=> x = 0 or π or cos x = 1/3
=> x = 0 or π or x = arccos 1/3