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Mathematics 15 Online
OpenStudy (anonymous):

lim x approaches pi/4 4x/tanx

hartnn (hartnn):

just put x= pi/4 what u get ? hint : tan (pi/4) = 1

OpenStudy (anonymous):

you get pi?

hartnn (hartnn):

that is correct!

OpenStudy (anonymous):

awesome thanks:D

hartnn (hartnn):

welcome ^_^

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