mikaylabullard8320 mikaylabullard8320 23-05-2023 Mathematics contestada please show and explain how you got the answer Practice Problems 1. Evaluate the following integrals: In x dx [Hint: Integration by parts] 13 sin² (7x) dx [Hint: Double-angle formula] √9-x² dx [Hint: Trigonometric substitution] •[cos²x cos�