## Csc x

### Cosecant (csc) is a trigonometric function that is defined as the reciprocal of the sine function

Cosecant (csc) is a trigonometric function that is defined as the reciprocal of the sine function. In other words, csc(x) = 1/sin(x). It is commonly used to find the length of the hypotenuse in a right triangle when the opposite side is known.

To understand csc(x) further, let’s consider a right triangle. In a right triangle, the sine of an acute angle is defined as the ratio of the opposite side length to the hypotenuse length. So sin(x) = opposite/hypotenuse.

By taking the reciprocal of sine, we get csc(x). Therefore, csc(x) = 1/sin(x) = hypotenuse/opposite.

For example, let’s say that in a right triangle, we know the measure of one acute angle is 30 degrees and the length of the opposite side is 2 units. We can find the length of the hypotenuse using the cosecant function.

In this case, sin(30 degrees) = opposite/hypotenuse = 2/hypotenuse. By rearranging the equation, we can find the value of the hypotenuse: hypotenuse = 2/sin(30 degrees).

To calculate the value of sin(30 degrees), we can use the sine values of common angles. Sin(30 degrees) = 1/2. Therefore, the hypotenuse = 2/(1/2) = 2 * (2/1) = 4 units.

So in this example, csc(30 degrees) = 1/sin(30 degrees) = 1/(1/2) = 2.

In summary, cosecant (csc) is the reciprocal of the sine function and represents the ratio of the hypotenuse to the opposite side in a right triangle. It is a useful trigonometric function for various applications in mathematics, physics, engineering, and other fields.

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