Trigonometry Assignment part 1
Storyboard Text
- Welcome to class everyone! In today's class we are going to learn about SOHCAHTOA. Can anyone tell me what SOHCAHTOA stands for?
- Yes Andrea?
- SOHCAHTOA is an abbreviation that stands for sin opposite and hypotenuse.
- Cos adjacent and hypotenuse. And tan opposite and adjacent.
- Sin is the ratio of opposite and the hypotenuse. Cos the ratio of adjacent and the hypotenuse. And tan is the ratio of the opposite and the adjacent.
- Sine, cosine, and tangent, also called Sin, Cos, and Tan, are ratios to determine the lengths of the right-angle triangle.
- The three sides of a triangle are the hypotenuse, the opposite and the adjacent side.
- Excellent job Andrea! That is correct. Now I know that was a lot of information so lets tackle it one by one.
- If your reference angle was the angle that the arrow is pointing at then the number 3 would be your adjacent side and number 2 would be your opposite side. And vice versa.
- Side number 1 is the hypotenuse because it is the longest side.
- The adjacent side and the opposite side will change depending on the reference angle.
- But how do we know which one is the reference angle?
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