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Step-by-step Solution

Evaluate the limit of $\frac{\sin\left(3x\right)}{\tan\left(4x\right)}$ as $x$ approaches $0$

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Step-by-step explanation

Problem to solve:

$\lim_{x\to0}\left(\frac{\sin\left(3x\right)}{\tan\left(4x\right)}\right)$

Learn how to solve limits problems step by step online.

$\lim_{x\to0}\left(\frac{\frac{d}{dx}\left(\sin\left(3x\right)\right)}{\frac{d}{dx}\left(\tan\left(4x\right)\right)}\right)$

Unlock this full step-by-step solution!

Learn how to solve limits problems step by step online. Evaluate the limit of (sin(3*x)/(tan(4*x) as x approaches 0. As the limit results in indeterminate form, we can apply L'Hôpital's rule. The derivative of the sine of a function is equal to the cosine of that function times the derivative of that function, in other words, if {f(x) = \sin(x)}, then {f'(x) = \cos(x)\cdot D_x(x)}. The derivative of the linear function times a constant, is equal to the constant. The derivative of the tangent of a function is equal to secant squared of that function times the derivative of that function, in other words, if {f(x) = tan(x)}, then {f'(x) = sec^2(x)\cdot D_x(x)}.

Answer

$\frac{3}{4}$$\,\,\left(\approx 0.75\right)$

Problem Analysis

$\lim_{x\to0}\left(\frac{\sin\left(3x\right)}{\tan\left(4x\right)}\right)$

Main topic:

Limits

Related formulas:

4. See formulas

Time to solve it:

~ 1.19 seconds