Flag 9 grade maths> How do I find the value of sin(300)?<br...
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How do I find the value of sin(300)?






Aniket Singh , 1 Year ago
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Askiitians Tutor Team

To find the value of sin(300 degrees), you can use the properties of the sine function and the unit circle.

First, note that 300 degrees is equivalent to 300 - 360 = -60 degrees, because the sine function is periodic with a period of 360 degrees. So, you can find the sine of -60 degrees instead.

Now, to find the sine of -60 degrees, you can use the fact that sine is an odd function, which means that sin(-x) = -sin(x) for any angle x. So, sin(-60) = -sin(60).

Next, you can find the sine of 60 degrees. To do this, you can use the properties of a 30-60-90 triangle. In a 30-60-90 triangle, the side opposite the 60-degree angle is √3 times longer than the side opposite the 30-degree angle. The hypotenuse is twice as long as the side opposite the 30-degree angle.

So, if you consider a 30-60-90 triangle with a hypotenuse of 1 (for simplicity), the side opposite the 30-degree angle is 1/2, and the side opposite the 60-degree angle is √3/2.

Therefore, sin(60) = √3/2.

Now, since sin(-60) = -sin(60), you get:

sin(-60) = -√3/2

So, the value of sin(300 degrees) is -√3/2.

Last Activity: 1 Year ago
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