# Week 18- Final

My top 5 in Pre-cal 11 Arithmetic sequence and series I  enjoyed how I learned there are many other different ways to find the total of an amount or find the next amount of the sequence. Trigonometry In this unit, I enjoyed how I expand the learning of SOH CAH TOA. Using Sin law, or Cos law made me think whether to use one of them. Absolute Value Using the…

# Week 17- Cos Law

This week, I have learned how to find the missing angle or missing length by using cos law. There are 2 ways to use the cos law. To find the missing angle To find the missing lenght To find the missing angle, we use : cosC= To find the missing length, we use : cos C Let’s try an example We know that angle C is 37, and we are…

# Week 16 – Applications of rational equations

This week, there was only 1 chapter that we have learned, and that is Applications of rational equations . There are many tricks in word problems. Ex: Joe is able to drink a whole bottle of water in 5 days, but when Joe and Franc drink it together, they can finish in 2 days. How many days will it take Franc to finish the whole bottle. In this word problem, you…