Course: H.S. Precalculus: Trigonometry

 

TR.T.1

Define and use the trigonometric ratios (sine, cosine, tangent, cotangent, secant, cosecant) in terms of angles of right triangles and the coordinates on the unit circle.

I Can Statements Academic Vocabulary

*I can define all trigonometric ratios and their inverses in terms of angles of right triangles and the coordinates on the unit circle.

*I can use the unit circle and the six trigonometric ratios to solve problems.

Trigonometric ratios
Sine
Cosine
Tangent
Cotangent
Secant
Cosecant
Right triangles
Unit circle

Looking Back Looking Ahead

*Use trigonometric ratios (sine, cosine and tangent) and the Pythagorean Theorem to solve real-world and mathematical problems involving right triangles. (MA.G.T.9)

*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).