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# What is the domain of arcsin?

**The domain of the mathematical function arcsin is -1 to 1.** The domain defines the possible input value for a particular function. This means the input value for arcsin, the inverse trigonometric function of sine, is never greater than 1 and never less than -1.

Bloodstain analysts use the arcsin in the analysis of blood splatter patterns at crime scenes. After they measure the length of the blood splatter, they can use the arcsin function to help determine the location of the victim in the room and the type of weapon used. Like the sine function, arcsin does not provide distinct numbers, meaning it is inexact and provides multiple values. Trigonometry calculators typically have an arcsin button, allowing for easy calculation.

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Q:
## What is the sin2(x) identity?

A: The main identity for sin2(x), where the sine function is squared, is sin2(x) + cos2(x) = 1, which can be rewritten as 1 - cos2(x) = sin2(x). That identity... Full Answer >Filed Under: -
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## What is the integral of tan(x)?

A: The integral of tan(x) is -ln |cos x| + C. In this equation, ln indicates the function for a natural logarithm, while cos is the function cosine, and C is ... Full Answer >Filed Under: -
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## How do you integrate the function "sin" using the half angle formula?

A: The half-angle formula is used to integrate the function sine when it is taken to a power, such as sine squared and sine to the power of 6. The half-angle ... Full Answer >Filed Under: -
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## What does "tangent to the x axis" mean?

A: A tangent line is a line that touches but does not cross the graph of a function at a specific point. If a graph is tangent to the x-axis, the graph touche... Full Answer >Filed Under: