lesson
Deriving the Law of Sines
Prove the Law of Sines by drawing an altitude and using right triangle trigonometry.

Prove the Law of Sines by drawing an altitude and using right triangle trigonometry.
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10th Grade · Math · CCSS
7 lessons
Learners will derive the area formula A = ½ab sin(C) and the Law of Sines, then use them to solve triangles in the AAS, ASA, and SSA cases, including the ambiguous case.