Help Please: Need advice for studying for my freshman geometrical optics class

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The discussion centers on a student seeking help for a freshman geometrical optics class due to a lack of foundational math skills, particularly in trigonometry and calculus. Recommendations include utilizing resources like OpenStax for algebra and trigonometry, as well as Math is Power 4 U, which offers extensive video tutorials on various math topics. The student is encouraged to explore these materials to strengthen their understanding and skills. The conversation also prompts the student to reflect on their progress with the suggested resources. Overall, the focus is on finding effective study aids to improve mathematical comprehension for optics.
MrBarnabas57
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TL;DR Summary: Hey every body i need some help.

Hey every body i need some help,
I just joined in physic univerity, and my probleme is a math problem.
We do geometrical optics and i'm very bad for demonstration cause my bases is very limited.
I never made trigonometery, derived a function.. But i need this can someone give me advice for a website or anything can help me ?
thks
 
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Another great resource is

Www.Mathispower4u.com

It has over 5000 video clips for all levels of math from grade school to first year college.

Here is the video library for trig specific problems

https://mathispower4u.com/trigonometry.php

They are grouped by subject and ordered by presentation. You should be able to get help there.
 
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