Course: H.S. Precalculus: Trigonometry

 

TR.PF.3

Use the unit circle to explain symmetry (odd and even) and periodicity of trigonometric functions.

I Can Statements Academic Vocabulary

*I can define cosine and secant as being even functions and symmetric to the y-axis.

*I can define sine, cosecant, tangent, and cotangent as being odd and symmetric to the origin.

*I can compare values of trigonometric functions in quadrants I and IV to determine whether a function is even or odd.

Unit circle
Odd symmetry
Even symmetry
Trigonometric functions

Looking Back Looking Ahead

*Recognize even and odd functions from their graphs. (MA.PC.F.6)

*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).