Boundless Algebra

Trigonometric Identities

Concept Version 5

Created by Boundless

The Law of Sines

Oblique triangle with unknown sides and angles

Oblique triangle with unknown sides and angles

In this triangle, $\alpha = 50\degree$, $\gamma = 30\degree$, and $a=10$. The angle $\beta$ and the side-lengths $b$ and $c$ are unknown.

Source

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"Algebra and Trigonometry."

http://cnx.org/contents/13ac107a-f15f-49d2-97e8-60ab2e3b519c@5.241 OpenStax CC BY 4.0.