Law of Sines & Cosines

Law of Sines, ambiguous case, Law of Cosines, and triangle area formulas

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📈 Law of Sines & Cosines

Apply the Law of Sines (including the ambiguous case), Law of Cosines, and area formulas to solve triangles.

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📝 Worked Example: Related Rates — Expanding Circle

Problem:

A stone is dropped into a still pond, creating a circular ripple. The radius of the ripple is increasing at a rate of $2$ cm/s. How fast is the area of the circle increasing when the radius is $10$ cm?

2Write the relationship between variables

3Differentiate both sides with respect to time

4Substitute known values

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📌 Related Topics in Trigonometric Functions

Trigonometric Functions Trigonometric Identities Inverse Trigonometric Functions

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Law of Sines, ambiguous case, Law of Cosines, and triangle area formulas

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Law of Sines & Cosines is part of the AP Precalculus course on Study Mondo, specifically in the Trigonometric Functions section. You can explore the full course for more related topics and practice resources.