Sine, cosine, and tangent by Sal Khan at Khan Academy
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From Sciencing’s Lisa Maloney. Algebra is one subject in math that will serve you well no matter what you do. Even something as seemingly simple as figuring out what size an object can be in your room isn’t always obvious. Algebra can save you a lot of time and headaches.
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Calculus is one of the more intimidating ideas in mathematics, but at its root it’s just about change. Continuous change. For example, a staircase has a changing slope, but because it is composed of right angles we can use algebra to figure things out. The same applies for a ramp–it’s at an angle, but it’s […]
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Statistics is not always taught until college, but even a basic understanding is useful in everyday life. Whether it’s understanding sports performance or how much faith to put in an election poll, statistics are immensely useful. In fact, we couldn’t run this site without it! ThoughtCo has prepared a really well-written primer here.
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Once again, Khan Academy has some of the best information out there.
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“When I was a student and teachers would say, “Study for your math test!” I would think, “How do I study for a math test?” I now realize that study is the wrong verb. You really need to ‘practice’ for a math test.” Great tips from StudySkills.com found here.
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