What is the limit as x approaches 0 of (sin(9x))/(sin(3x)) ?

The limit as x approaches 0 of (sin(9x))/(sin(3x)) is 3

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limit as x approaches 0 of (sin(9x))/(sin(3x))

x \to 0 lim (\frac{sin ( 9 x )}{sin ( 3 x )})

3

Solution steps

x \to 0 lim (\frac{sin ( 9 x )}{sin ( 3 x )})

x \to a - lim f (x) = x \to a + lim f (x) = L

then

x \to a lim f (x) = L

x \to 0 - lim (\frac{sin ( 9 x )}{sin ( 3 x )}) = 3

x \to 0 + lim (\frac{sin ( 9 x )}{sin ( 3 x )}) = 3

= 3

What is the limit as x approaches 0 of (sin(9x))/(sin(3x)) ?
The limit as x approaches 0 of (sin(9x))/(sin(3x)) is 3