IDNLearn.com provides a user-friendly platform for finding answers to your questions. Ask anything and receive prompt, well-informed answers from our community of knowledgeable experts.

In calculus, which of the following integrals is most commonly solved using trigonometric substitution?
A) ∫(x^2 + 1) dx
B) ∫(1 / (x^2 + 4)) dx
C) ∫(sqrt(1 - x^2)) dx
D) ∫(e^x dx)