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## Homework Statement

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Integral, from 0 to 1, of dx/root(1-x^2)

## Homework Equations

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d/dx of arcsin = 1/root(1-x^2)

## The Attempt at a Solution

Since d/dx of arcsin = 1/root(1-x^2), we have that the integral, from 0 to 1, of dx/root(1-x^2) equals to arcsin, from 0 to 1.

arcsin(1) - arcsin(0) = arcsin(1). I know I'm missing something here. What did I do wrong?