Here is the new description with all the links and additional text removed: Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Dynamic pricing employs machine learning and artificial intelligence to identify when the cost of goods and services should go up or down. The price you pay for certain things can change due to many ...