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gerryliyana
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3tan^2(x)1=0
3tan^2(x)=1
tan^2(x)=1/3
tan (x) = 1/sqrt(3)
x = arc tan (1/sqrt(3))
so x??

gerryliyana
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what did u get it??

gerryliyana
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use calculator for this

gerryliyana
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i got 30 for x

shanice723
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is it .577

shanice723
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how did u get that?

gerryliyana
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yes
tan (x) = .577
x = arc tan (.577)
or
x = tan^1 (.577)
i'll ask u.., what is the value of tan 30 ? use calculator, please!

shanice723
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oh ok so according to that problem x is equal to 30 only?

gerryliyana
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yes of course., ur right!! :)