LAC 28:CXLII.3119
LAC 28:CXLII.3119. Similarity, Right Triangles, and Trig
Cite as La. Admin. Code tit. 28, pt. CXLII, § 3119
A. Apply trigonometry to general triangles.
1. Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.
2. Prove the Laws of Sines and Cosines and use them to solve problems.
3. Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles.