Finding angles using inverse trigonometric functions can be really easy once you get the hang of it! Here’s how to make it simpler:

1. Know the Basics: Inverse trigonometric functions, like $\sin^{-1}(x)$, $\cos^{-1}(x)$, and $\tan^{-1}(x)$, help you find angles when you know the side ratios of a triangle.

2. Draw Your Triangle: Make a sketch of your right triangle and label the sides. This will help you see which ratios you need to use.

3. Choose the Right Function: Depending on which sides you know:

   • If you know the length of the opposite side and the hypotenuse (the longest side), you’ll use $\sin^{-1}(opposite/hypotenuse)$.
   • If you know the adjacent side (the side next to the angle) and the hypotenuse, use $\cos^{-1}(adjacent/hypotenuse)$.
   • If you know the opposite and the adjacent sides, then use $\tan^{-1}(opposite/adjacent)$.

4. Use Your Calculator: Most scientific calculators have these functions already. Just put in your ratio, and it will give you the angle.

With some practice, finding angles gets much easier!