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OpenStudy (anonymous):
3 tan x - cot x - 5 = 0 Need to use the quadratic formula to solve. The answer should be in radians (from the unit circle). I am not sure how to start, since the equation isn't in ax^2 + bx + c format.
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OpenStudy (cwrw238):
substitute cot x = 1/tan x
OpenStudy (cwrw238):
then multiply through by tan x to get a quadratic equation in tan x
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