Sin(30)=7/x

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


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

sin(30) = 7/x // - 7/x

sin(30)-(7/x) = 0

sin(30)-7*x^-1 = 0

-7*x^-1 = -sin(30) // : -7

x^-1 = sin(30)/7

-1 < 0

1/(x^1) = sin(30)/7 // * x^1

1 = (sin(30)/7)*x^1 // : sin(30)/7

7*(sin(30))^-1 = x^1

x = 7*(sin(30))^-1

x = 7*(sin(30))^-1

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