Solving right triangles using sine or cosine. Solving right triangles using tangent. Solving for an angle of a right triangle using cos, sin, or tan. Law of sines (Find the side). Law of sines (Find the two sides). Law of sines (Find the angle). Law of sines (Find the two angles). Law of sines word problem. Law of cosines (Find the angle). G-SRT.10 Prove the Laws of Sines and Cosines and use them to solve problems. G-SRT.11 Understand and apply the Law of Sines and the Law of Cosines to find unknown measurements in right and non-right triangles (e.g., surveying problems, resultant forces). MST3.A1.R.4 Students select appropriate representations to solve problem situations. View All