Integral of ∫dx/sqrt(1-x^2) by Trigonometric Substitution

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In this video, we work through the steps to find the indefinite integral or anti-derivative of:

∫dx/sqrt(1-x^2)

with the term 1 - x^2, it is indicative of a trigonometric substitution, so we try:

x = sin(theta) with dx = cos(theta)

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It is always good to see how the solution in a table was derived. Very clear.

garyward
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