...I've used the DOS operating system extensively. I'm familiar with its basic features, as well as more advanced features such as .bat scripting. I've not only taken the class in Linear Algebra, but also tutored it for many years (2004-2010) while working as a tutor at MiraCosta College.
...So mind boggling and tricky. What makes it challenging is the fact that it is so different from algebra and geometry and yet the students have to use all of their knowledge they have from those subjects to succeed in trigonometry. Students sometimes can have a hard time recognizing algebra in trig and therefore get confused.
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