Course: H.S. Precalculus: Trigonometry

 

TR.ID.3

Prove the addition and subtraction identities for sine, cosine, and tangent. Use the identities to solve problems.

I Can Statements Academic Vocabulary

*I can prove the addition and subtraction identities for sine, cosine, and tangent.

*I can use the addition and subtraction identities for sine, cosine, and tangent to solve problems.

Sine
Cosine
Tangent

Looking Back Looking Ahead

*Although this is an introductory standard for this concept, strong algebraic skills, computation skills, and number sense are needed.

*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).