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-- Mathematics - Section B1
Indefinite Integration
$\int\frac{d(\cos θ)}{\sqrt{1-\cos^2θ}}$
$\cos^{-1}θ+c$
$θ+c$
$\sin^{-1}θ+c$
None of these
$\int\frac{d(\cos θ)}{\sqrt{1-\cos^2θ}}=\sin^{-1}(\cos θ)$, [Put cos θ = x and integrate]