Solution

Question\n\nFind the equation of the tangent line to the curve $y = \sin^{-1} \left( \dfrac{x}{2} \right) + \cos x$ at the point where $x = \dfrac{\pi}{2}$.\n\nContent coming soon. Write the full solution here, or use the part files (p-i.mdx, p-ii.mdx, …) for each part.