MathF.Sin() Method in C# with Examples

Last Updated : 04 Apr, 2019

MathF.Sin(Single) is an inbuilt MathF class method which returns the sine of a given float value argument(specified angle).

Syntax: public static float Sin (float x); Here, x is the angle(measured in radian) whose sine is to be returned and the type of this parameter is System.Single.

Return Value: This method will return the sine of x of type System.Single. If x is equal to NegativeInfinity, PositiveInfinity, or NaN, then this method returns NaN. Below programs illustrate the use of the above-discussed method: Example 1:

CSharp

// C# program to illustrate the
// MathF.Sin(Single) Method
using System;

class GFG {

    // Main Method
    public static void Main(String[] args)
    {
        float a = 17f;

        // converting value to radians
        float b = (a * (MathF.PI)) / 180;

        // using method and displaying result
        Console.WriteLine(MathF.Sin(b));
        a = 47f;

        // converting value to radians
        b = (a * (MathF.PI)) / 180;

        // using method and displaying result
        Console.WriteLine(MathF.Sin(b));
        a = 96F;

        // converting value to radians
        b = (a * (MathF.PI)) / 180;

        // using method and displaying result
        Console.WriteLine(MathF.Sin(b));
    }
}

Output:

0.2923717
0.7313538
0.9945219

Example 2: To show the working of MathF.Sin(Single) method when the argument is NaN or infinity.

CSharp

// C# program to illustrate the
// MathF.Sin(Single) Method
using System;

class Geeks {

    // Main Method
    public static void Main(String[] args)
    {

        // Taking the positive, negative
        // infinity and NaN
        float positiveInfinity = float.PositiveInfinity;
        float negativeInfinity = float.NegativeInfinity;
        float nan = float.NaN;

        float result;

        // Here argument is negative infinity,
        // so the output will be NaN
        result = MathF.Sin(negativeInfinity);
        Console.WriteLine(result);

        // Here argument is positive infinity,
        // so the output will also be NaN
        result = MathF.Sin(positiveInfinity);
        Console.WriteLine(result);

        // Here the argument is NaN, so 
        // the output will be NaN
        result = MathF.Sin(nan);
        Console.WriteLine(result);
    }
}

Output:

NaN
NaN
NaN

MathF.Sinh() Method in C# with Examples

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MathF.Sin() Method in C# with Examples

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