4: Non-Right Triangle Trigonometry Last updated Save as PDF Page ID808 Contributed by CK12CK12 4.1: Law of Sines and Law of Cosines4.1.1: Section 1-4.1.2: Section 2-4.1.3: Section 3-4.1.4: Section 4-4.1.5: Section 5-4.1.6: Section 6-4.2: Area of Non-Right Triangles4.2.1: Section 1-4.2.2: Section 2-4.2.3: Section 3-4.2.4: Section 4-4.2.5: Section 5-4.2.6: Section 6-