tan(30)=x/7

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Solution for tan(30)=x/7 equation: 


D( x )

cos(30) = 0

cos(30) = 0

cos(30) = 0

t_1 = cos(30)

cos(30) = 0

t_1 = 0

x należy do R

x in (-oo:+oo)

x belongs to the empty set

tan(30) = x/7

x belongs to the empty set

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