# C# program to demonstrate the trigonometry angles in radians using Math class

Here, we are going to learn about the demonstrate the trigonometry angles in radians using Math class in C#.
Submitted by Nidhi, on September 21, 2020

Here, we will get the values of trigonometry angles for the specified radians using Math class.

Program:

The source code to demonstrate the trigonometry angles in radians is given below. The given program is compiled and executed successfully on Microsoft Visual Studio.

```//C# program to demonstrate the trigonometry Angles

using System;

class Demo
{
static void Main(string[] args)
{
double sinPi3;
double cosPi3;
double tanPi3;

sinPi3 = Math.Sin(Math.PI / 3);
cosPi3 = Math.Cos(Math.PI / 3);
tanPi3 = Math.Tan(Math.PI / 3);

Console.WriteLine("sin (pi/3)    = "+ sinPi3);
Console.WriteLine("cos (pi/3)    = "+ cosPi3);
Console.WriteLine("tan (pi/3)    = "+ tanPi3);
}
}
```

Output:

```sin (pi/3)    = 0.866025403784439
cos (pi/3)    = 0.5
tan (pi/3)    = 1.73205080756888
Press any key to continue . . .
```

Explanation:

Here, we created a Demo class that contains the Main() method. In the Main() method, we created three variables of double type.

```sinPi3 = Math.Sin(Math.PI / 3);
cosPi3 = Math.Cos(Math.PI / 3);
tanPi3 = Math.Tan(Math.PI / 3);
```

In the above code we calculated the trigonometry angles based radians using predefined method of Math class, and then print the result on the console screen.

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