Derivada cos(x)

cos'(x) = −sen(x).
Created by
Renato Passos, Eng. de Software
Reviewed by
Renato Passos, Eng. de Software

Last updated: Apr 18, 2026

cos'(x)
-0,841471

Formula

derivada

About this calculator

The derivative of the cosine is a fundamental tool in advanced calculus. It is used to find the rate of change of the function cos(x) with respect to the variable x. The formula for the derivative of the cosine is cos'(x) = −sin(x), where sin(x) is the sine function of x.

The derivative of the cosine is important in various mathematical and scientific applications, such as in solving differential equations and analyzing trigonometric functions. It is also used in optimization problems, where it is necessary to find the maximum or minimum of a function.

To use the derivative of the cosine, it is necessary to understand how it relates to the original function cos(x). The derivative gives us the slope of the curve of the function at each point, which is essential to understand the behavior of the function. Additionally, it is important to remember that the derivative of the cosine is a periodic function, with period 2π.

In summary, the derivative of the cosine is a powerful tool in advanced calculus, with various applications in mathematics and science. It is fundamental to understanding the behavior of trigonometric functions and is used in a variety of mathematical and scientific problems.

Frequently asked questions

What is the derivative of the cosine?

The derivative of the cosine is the rate of change of the function cos(x) with respect to the variable x, given by the formula cos'(x) = −sin(x).

When to use the derivative of the cosine?

The derivative of the cosine is used in advanced calculus problems, such as in solving differential equations and analyzing trigonometric functions.

What is the period of the derivative of the cosine?

The derivative of the cosine is a periodic function, with period 2π.

Why is the derivative of the cosine important?

The derivative of the cosine is fundamental to understanding the behavior of trigonometric functions and is used in a variety of mathematical and scientific problems.

How to calculate the derivative of the cosine?

The derivative of the cosine can be calculated using the formula cos'(x) = −sin(x), where sin(x) is the sine function of x.

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