This week our class went over Chapter 9 Section 1. For me, this lesson was really easy because it was pretty much a repeat of what I learned last year in Geometry.
We learned how to solve right triangles using sin, cos, tan, sec, csc, and cot. And we also used SOHCAHTOA to help us remember how to solve them.
SOHCAHTOA stands for: sine opposite hypotenuse//cosine adjacent hypotenuse//tangent opposite hypotenuse. Also we had to remember, the hypotenuse was opposite of the right angle, and a triangle equaled 180 degrees. We also had to keep in mind that these guidelines will only work for right triangles.
For example:: 1=3 2=4 <=40 <=90
To solve for the hypotenuse, you can use the Pythagorean triplets, which means that the hypotenuse equals 5. Now, to solve for the opposite angle you can just subtract 40 from 90, which equals 50.
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