Evaluating integrals using parametric forms can be tricky, but let's break it down into simpler parts:

1. Understanding Parameterization: This means changing regular functions into parametric equations. It can be complicated, especially if the functions are messy.

2. Finding the Derivative: To get $dy/dx$, you first need to find $dy/dt$ and $dx/dt$. This requires careful work with calculus, and it’s easy to make mistakes along the way.

3. Setting Up the Integral: You have to write the integral correctly. For example, $\int y \, dx$ turns into $\int y(t) \cdot \frac{dx}{dt} \, dt$ when you work with parametric equations. If you make an error here, it can mess up everything else.

But don't worry! With practice and a good understanding of parametric equations, you can get past these challenges. Following a step-by-step process can really help you learn and succeed.