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Category: Precalculus

link to Using Logarithms to Solve Exponential Equations

Using Logarithms to Solve Exponential Equations

https://youtu.be/JjmmLEh-XxY This is a refresher for solving exponential equations. Logarithms are how we undo exponents.

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link to Have you ever wondered how number sets came about?

Have you ever wondered how number sets came about?

https://youtu.be/wTyRAfVY5z8

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link to How to Evaluate Logarithmic Expressions Like a Pro

How to Evaluate Logarithmic Expressions Like a Pro

https://youtu.be/VYATz0AJ6KI Rules for logarithms are related -- really the same as -- rules for exponents. After all, a logarithm is an exponent. Afte some practice you will be a pro!

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link to The legend of Chief Sohcahtoa

The legend of Chief Sohcahtoa

https://youtu.be/lwITD27HJ2Q Perhaps the most famous acronym in all of mathematics... SOH CAH TOA. My high school math teacher told a story that helped me to remember this acronym.

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link to Proving Trig Identities

Proving Trig Identities

https://youtu.be/KQbFUr0on6c Here is a short video using three different techniques.

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link to Parallel and Perpendicular Lines

Parallel and Perpendicular Lines

https://youtu.be/CMJhHOcj9ac Here is another essential skill heading into the final exam season.

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About Me

My name is Mark Noldy (rhymes with moldy). I've been teaching high school and college math students for over 25 years. I have learned that they can all succeed when they realize that math is a participation sport. Pay attention, do the work, and never give up! You got this!

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