​ If y = cos^-1((3x + 4√(1 - x^2))) find dy/dx

Question

If y = cos^-1(\(\frac{3x + 4\sqrt{1 - x^2}}{5}\)) find  \(\frac{dy}{dx}\)

Answer 1

If \(\frac{3}{5}\) = cosα ⇒ α = cos^-1\(\frac{3}{5}\)