Course: H.S. Precalculus: Trigonometry



Understand and apply the Laws of Sines and Cosines to solve real-world and other mathematical problems involving right and non-right triangles.

I Can Statements Academic Vocabulary

*I can explain the Laws of Sines and Cosines.

*I can determine when the use of the Laws of Sines and Cosines is necessary.

*I can use the Laws of Sines and Cosines to solve real-world problems.

Law of Sines
Law of Cosines
Right triangle

Looking Back Looking Ahead

*Prove and apply theorems about triangles, including the following: measures of interior angles of a triangle sum to 180° and the Pythagorean Theorem. (MA.G.T.1)

*The concepts and skills in this standard are an integral part of calculus, college-level algebra, and beyond.

Clarifying Examples and Digital Resources
Click here for clarifying examples and digital resources aligned to Indiana standards. These are intended to expand each standard to support instruction in the classroom as evidenced by the Eight Mathematics Teaching Practices put forth by the National Council of Teachers of Mathematics (NCTM).