Question

Y=arccosx-sqrt(1-x^2) найти производную

Answer 1

$y=arccosx-\sqrt{1-x^2}\\\\y'=-\frac{1}{\sqrt{1-x^2}}-\frac{-2x}{2\sqrt{1-x^2}}=\frac{x-1}{\sqrt{1-x^2}}$