Regarding game development and the necessary math skills, Nick Lockwood:
“…a basic understanding of trigonometry, combined with some common sense, will take you a long way. In this tutorial, you will learn about some important trigonometric functions and how you can use them in your games. Then you’ll get some practice applying the theories by developing a simple space shooter iPhone game using the Sprite Kit game framework.”
Read more about SpriteKit, Swift and Trigonometry.