Where Can I Practice Algebra and Trigonometry Problems with Explanations?

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For those looking to refresh their knowledge in algebra and trigonometry, several resources are recommended. Notable mentions include "Algebra for the Practical Man" and a general algebra textbook. Additionally, purplemath.com is highlighted as an excellent website that offers a variety of problems along with explanations, making it a valuable tool for revisiting these mathematical concepts.
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i want to go back an brush up on algebra and trig because i haven't done it since high school anyone know of any good site with a bunch of problems in these areas and possibly some explanation to go with the problems. It seems i have forgotten some simple things
 
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purplemath.com would be an excellent site for you to use
 

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