Asked by lindsay
Find the general solution for f(x) = 27 tan^2 x-9=0
Answers
Answered by
Reiny
27tan^2 x = 9
tan^2 x = 1/3
tanx = ± 1/√3
x = 30° , 150° , 210° or 330°
general
x = (30 + 180k)° , where k is an integer
x = (150+180k)° , where k is an integer
tan^2 x = 1/3
tanx = ± 1/√3
x = 30° , 150° , 210° or 330°
general
x = (30 + 180k)° , where k is an integer
x = (150+180k)° , where k is an integer
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