Definite Integral $\sqrt{\sin x}$: Answers

In summary, a definite integral is a mathematical concept that represents the area under a curve on a given interval. To calculate a definite integral, you first find the indefinite integral of the function and then plug in the upper and lower limits of the interval. The function $\sqrt{\sin x}$ is a trigonometric function with a period of 2π and a range of [0,1]. The definite integral of $\sqrt{\sin x}$ is important for real-life applications and cannot be expressed in terms of elementary functions.
  • #1
juantheron
247
1
$\displaystyle \int_{0}^{\frac{\pi}{2}}\sqrt{\sin x}dx.\int_{0}^{\frac{\pi}{2}}\frac{1}{\sqrt{\sin x}}dx =$
 
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  • #2
Knowing the basic properties of the functions Beta and Gamma, it is easy to obtain :
first integral = (1/2)*Beta(3/4 ; 1/2)
second integral = (1/2)*Beta(1/4 ; 1/2)
and the product of the integrals = pi.
 

FAQ: Definite Integral $\sqrt{\sin x}$: Answers

What is a definite integral?

A definite integral is a mathematical concept that represents the area under a curve on a given interval. It is denoted by ∫f(x)dx where f(x) is the function and dx represents the infinitesimal change in x.

How do you calculate a definite integral?

To calculate a definite integral, you first need to find the indefinite integral of the function. Then, you plug in the upper and lower limits of the interval into the indefinite integral and subtract the result. This gives you the value of the definite integral.

What is the function $\sqrt{\sin x}$?

The function $\sqrt{\sin x}$ is a trigonometric function that represents the square root of the sine of x. It is a periodic function with a period of 2π and has a range of [0,1].

Why is the definite integral of $\sqrt{\sin x}$ important?

The definite integral of $\sqrt{\sin x}$ is important because it allows us to calculate the area under the curve of the function on a given interval. This is useful in many real-life applications, such as calculating the work done by a varying force or finding the displacement of a moving object.

What is the value of the definite integral of $\sqrt{\sin x}$?

The value of the definite integral of $\sqrt{\sin x}$ cannot be expressed in terms of elementary functions. It can only be approximated using numerical methods or expressed in terms of special functions.

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