What is the limit as x approaches pi of (sin(x))/(tan(x)) ?

The limit as x approaches pi of (sin(x))/(tan(x)) is -1

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limit as x approaches pi of (sin(x))/(tan(x))

x \to π lim (\frac{sin ( x )}{tan ( x )})

- 1

Solution steps

x \to π lim (\frac{sin ( x )}{tan ( x )})

Express with sin, cos

= x \to π lim (cos (x))

Plug in the value

x = π

= cos (π)

Use the following trivial identity:

cos (π) = (- 1)

cos (x)

periodicity table with

2 πn

cycle:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} cos (x) 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} x π \frac{7 π}{6} \frac{5 π}{4} \frac{4 π}{3} \frac{3 π}{2} \frac{5 π}{3} \frac{7 π}{4} \frac{11 π}{6} cos (x) - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2} 0 \frac{1}{2} \frac{2}{2} \frac{3}{2}

= - 1

x \to \infty lim (x, 0)

x \to \infty lim (xxxx)

x \to \infty lim (- 6 + \frac{1}{x})

x \to 0 lim (\frac{tan ( x ) - sin ( x )}{2 x})

x \to 0 lim (\frac{x ^{3} - 8 x}{x ^{2} + 4 x})

What is the limit as x approaches pi of (sin(x))/(tan(x)) ?
The limit as x approaches pi of (sin(x))/(tan(x)) is -1