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Homework Statement
I have to integrate this equation for my AP Calc BC class:
[tex]\int_{0}^{1}\frac{dx}{\sqrt{1-x^2}}[/tex]
Homework Equations
I have to use the definition of an improper integral.
The Attempt at a Solution
I know that it is [tex]\arcsin(x)[/tex] from 0 to 1, and both are in the domain of the arcsin function, so i don't need to use the improper integral equation, and the answer is [tex]\frac{\pi}{2}[/tex]. But I find it weird that I'd be graded on a question that i don't need to use the topic for. Am I missing anything??