(adsbygoogle = window.adsbygoogle || []).push({}); Why is this wrong???

arcos(x)= ∫(-1)/√(1-x) dx = -∫1/√(1-x) dx = -arcsin(x)

⇒ arcos(x)=-arcsin(x)

i know this is wrong, i think its got something to do with constant of integration, could someone pls point out my mistake. thnks

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# Why is this wrong?

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