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2*sin(x)/cos(x)

Limit of the function 2*sin(x)/cos(x)

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      /2*sin(x)\
 lim  |--------|
   pi \ cos(x) /
x->--+          
   4            
$$\lim_{x \to \frac{\pi}{4}^+}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right)$$
Limit((2*sin(x))/cos(x), x, pi/4)
Lopital's rule
There is no sense to apply Lopital's rule to this function since there is no indeterminateness of 0/0 or oo/oo type
The graph
Rapid solution [src]
2
$$2$$
One‐sided limits [src]
      /2*sin(x)\
 lim  |--------|
   pi \ cos(x) /
x->--+          
   4            
$$\lim_{x \to \frac{\pi}{4}^+}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right)$$
2
$$2$$
= 2.0
      /2*sin(x)\
 lim  |--------|
   pi \ cos(x) /
x->---          
   4            
$$\lim_{x \to \frac{\pi}{4}^-}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right)$$
2
$$2$$
= 2.0
= 2.0
Other limits x→0, -oo, +oo, 1
$$\lim_{x \to \frac{\pi}{4}^-}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right) = 2$$
More at x→pi/4 from the left
$$\lim_{x \to \frac{\pi}{4}^+}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right) = 2$$
$$\lim_{x \to \infty}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right)$$
More at x→oo
$$\lim_{x \to 0^-}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right) = 0$$
More at x→0 from the left
$$\lim_{x \to 0^+}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right) = 0$$
More at x→0 from the right
$$\lim_{x \to 1^-}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right) = \frac{2 \sin{\left(1 \right)}}{\cos{\left(1 \right)}}$$
More at x→1 from the left
$$\lim_{x \to 1^+}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right) = \frac{2 \sin{\left(1 \right)}}{\cos{\left(1 \right)}}$$
More at x→1 from the right
$$\lim_{x \to -\infty}\left(\frac{2 \sin{\left(x \right)}}{\cos{\left(x \right)}}\right)$$
More at x→-oo
Numerical answer [src]
2.0
2.0
The graph
Limit of the function 2*sin(x)/cos(x)