Evaluate this integral: |0->0.2 dx/sqrt(1-x^2)

Question

_{Evaluate the integral:}

_0.2

∫ dx / √(1-x²)

⁰

^{I have quite a few questions like this one, and I can't understand how to do them, or what I'm doing wrong.}

Answer 1

∫₀^0.2 dx / √(1-x²) = sin^-1x₀^0.2 = sin^-10.2 = 0.201358