§2 Solving Triangles

In this chapter you will learn:

• How sine, cosine, tangent, and cotangent are defined for angles $0° \leq \alpha \leq 180°$
• How to find the third side of a triangle given two sides and the angle between them (Law of Cosines)
• How to find unknown sides and angles using the Law of Sines
• How to solve any triangle given sufficient information
• Multiple formulas for the area of a triangle

Topics

• Trig Functions 0°–180°
• Law of Cosines
• Law of Sines
• Solving Triangles
• Triangle Area Formulas