# What is inverse sine?

What is inverse sine? The inverse sine function (also called arcsine) is the inverse of sine function. Since sine of an angle (sine function) is equal to ratio of opposite side and hypotenuse, thus sine

## What is inverse sine?

The inverse sine function (also called arcsine) is the inverse of sine function. Since sine of an angle (sine function) is equal to ratio of opposite side and hypotenuse, thus sine inverse of same ratio will give the measure of the angle.

## What is the inverse of sine used for?

Inverse Sine: If you know the opposite side of an angle and the hypotenuse in a right triangle, you can use inverse sine to find the measure of the angle.

What is the difference between sine and inverse sine?

What is the difference between Sine and Inverse Sine (Arcsine)? Sine is a basic trigonometric function, and the arcsine is the inverse function of the sine.

How do you find inverse sine?

To find the inverse of an equation such as sin x = 1/2, solve for the following statement: “x is equal to the angle whose sine is 1/2.” In trig speak, you write this statement as x = sin–1(1/2). The notation involves putting a –1 in the superscript position.

### How is inverse sin written?

The inverse sine function is written as sin^-1(x) or arcsin(x). Inverse functions swap x- and y-values, so the range of inverse sine is -pi/2 to /2 and the domain is -1 to 1. So this domain restriction makes this function 1 to 1 and now we can invert it.

### Does Arcsin cancel out sin?

The arcsine function is the inverse function for the sine function on the interval . So they “cancel” each other under composition of functions, as follows.

Is Arcsin inverse sine?

Sal introduces arcsine, which is the inverse function of sine, and discusses its principal range.

What is the sine inverse of 1 2?

“inverse sine” may refer to either a single values function (the principal value — common in introductory courses) or to a “multivalued function”. We know that sin(π6)=12 and so, sin(−π6)=−12 . Therefore, the (principal) inverse sine of −12 is −π6 .

## Is sin inverse the same as Cosecant?

Inverse Reciprocal Trigonometric Functions We already know that the cosecant function is the reciprocal of the sine function. This will be used to derive the reciprocal of the inverse sine function. Because cosecant and secant are inverses, \begin{align*}\sin^{-1} \frac{1}{x} = \csc^{-1} x\end{align*} is also true.

## Why is inverse sine not a function?

Since sine is not a one-to-one function, the domain must be limited to -pi/2 to pi/2, which is called the restricted sine function. The inverse sine function is written as sin^-1(x) or arcsin(x). Inverse functions swap x- and y-values, so the range of inverse sine is -pi/2 to /2 and the domain is -1 to 1.