I started chapter 14 of the Higher Maths course today, I had to show that the derivatives of sin x and cos x are cos x and - sin x respectively, by using the graphs. Then I answered some questions on that, making sure I was taking in what I had just learnt, rather than immediately forgetting it! The next thing I will do is to integrate trig functions, before I start really abstract things like the chain rule.
I have come a long way with Mathletics, especially with things to do with calculus, and have 23 more activities to do before I finish the course. I am not sure what I will do after that, as I have done nearly every concept on there now at some point!
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