📈ap pre-calculus review

Law of Sines

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A relationship stating that the ratio of a side of a triangle to the sine of its opposite angle is constant for all three sides and angles; used to find unknown side lengths and angle measures in triangles.

AP course connection

Topic 4.8: 4.8 Vectors

Unit 4