The derivative of cos(ex) is equal to -ex sin(ex). In this post, we will learn how to find the derivative of cos(ex) by the chain rule of derivatives. Derivative of cos(ex) Question: Find the derivative of cos(ex). Answer: The derivative of cos(ex) is equal to -exsin(ex). Explanation: Note that f(x)=cos(ex) is a composite function. The … Read more
The derivative of e1/x is $-\frac{1}{x^2} e^{1/x}$. So if y=e1/x, then dy/dx = -1/x2 e1/x. In this post, we will learn how to differentiate e to the power 1/x. Derivative of e1/x Question: What is the derivative of e raised to 1/x? Answer: The derivative of e raised to 1/x is equal to $-1/x^2 e^{1/x}$. … Read more
The derivative of pi/4 is equal to zero. This is because pi/4 is a constant. In this post, we will learn how to find the derivative of pi divided by 4. Derivative of pi/4 Answer: The derivative of pi/4 is 0. Explanation: We know that the value of the number $\pi$ is approximately … Read more
The derivative of cos(x^4) is equal to -4x^3 sin(x^4). In this post, we will find the derivative of cosx^4 by the chain rule. Derivative of cos(x^4) To find the derivative of cos(x^4), we will use the chain rule of derivatives. The chain rule is used to find the derivative of a composite function which we … Read more
The derivative of 5x is equal to 5x ln5. Here, ln denotes the natural logarithm (logarithm with base e). In this post, we will find the derivative of 5 to the power x. Derivative of 5x Formula As we know that the derivative of ax is ax ln a, the formula for the derivative of … Read more
The derivative of pi is zero, that is, d/dx(π)=0. Note that pi is denoted by π. In this post, we will learn how to find the derivative of π. Derivative of pi Formula The formula for the derivative of $\pi$ is $0$. This formula can be written as follows: $\dfrac{d}{dx}(\pi)=0$ or $(\pi)’=0$. Here, the prime … Read more
The derivative of tan3x is equal to 3sec2 3x. In this post, we will find the derivative of tan3x by the first principle i.e., by the limit definition of derivatives. The first principle of derivatives says that if f(x) is a differentiable function of x, then its derivative is given by the limit below: $\dfrac{d}{dx}(f(x))$$=\lim\limits_{h\to … Read more
The derivative of sin4x is equal to 4cos4x. In this post, we will find the derivative of sin4x by the first principle, that is, by the limit definition of derivatives. The limit definition (i.e., first principle) of derivatives tells us that the derivative of a function f(x) is given by the following limit: $\dfrac{d}{dx}(f(x))$$=\lim\limits_{h\to 0} … Read more
The derivative of cos4(x) is equal to -4cos3(x) sinx. In this post, we will learn how to find the derivative of cos to the power 4 of x. Derivative of cos4x Formula The derivative of $\cos^4(x)$ is denoted by $\dfrac{d}{dx}(\cos^4 x)$ or $(\cos^4 x)’$. The formula of the derivative of cos^4(x) is given below: $\dfrac{d}{dx}(\cos^4 … Read more
The derivative of sin5x is equal to 5sin4x cosx. In this post, we will learn how to differentiate sin5x, that is, sine to the power 5 of x. Derivative of sin5x Formula: The derivative of sin5x is denoted by $\dfrac{d}{dx}(\sin^5 x)$ or $(\sin^5 x)’$. The formula of the derivative of sin5x is given below: $\dfrac{d}{dx}(\sin^5 x)=5\sin^4 … Read more