Course: H.S. Precalculus: Trigonometry

 

TR.UC.1

Understand radian measure of an angle as the length of the arc on the unit circle subtended by the angle.

I Can Statements Academic Vocabulary

*I can identify angles subtended by arcs.

*I can define the angle created when the length of an arc of a circle is the same as the length of the circle’s radius as a radian.

*I can define the radian measure of an angle as the length of the arc on the unit circle subtended by the angle.

Radian measure
Arc
Theta
Central angle
Unit circle

Looking Back Looking Ahead

*Define, identify and use relationships among the following: radius, diameter, arc, measure of an arc, and chord. (MA.G.CI.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).