What is the limit as x approaches 0-of xcot(x) ?

The limit as x approaches 0-of xcot(x) is 1

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limit as x approaches 0-of xcot(x)

x \to 0 - lim (x cot (x))

1

Solution steps

x \to 0 - lim (x cot (x))

Rewrite for L'Hopital

= x \to 0 - lim (\frac{x}{\frac{1}{c o t ( x )}})

Apply L'Hopital's Rule

: x \to 0 - lim (\frac{1}{sec ^{2} ( x )})

= x \to 0 - lim (\frac{1}{sec ^{2} ( x )})

Plug in the value

x = 0

= \frac{1}{sec ^{2} ( 0 )}

Simplify

\frac{1}{sec ^{2} ( 0 )} : 1

= 1

y = \frac{7}{x ^{3}}

\frac{d}{d x} (\frac{1}{π - x})

\frac{y ^{^{'}}}{y - y ^{2}} = \frac{t}{( 1 + t ^{2} )}

f (x) = - 2 x cos (x), (π, 2 π)

n = 0 \sum \infty n! 2^{n}

What is the limit as x approaches 0-of xcot(x) ?
The limit as x approaches 0-of xcot(x) is 1