Pre-Calculus: Functions, Trig & Limits

Subject: Math  ·  Grade level: 11th

Function families, the unit circle, and an intro to limits.

In this lesson

• Function families
• Trigonometry & the unit circle
• A first look at limits

Key terms

Radian

An angle measure where 2π radians = 360°.

Identity

An equation true for all values, like sin²θ + cos²θ = 1.

Pre-Calculus: Functions, Trig & Limits lesson on BrightPath

BrightPath Tutoring offers free interactive lessons and 1-on-1 tutoring for students in grades 3–12. Based in the San Fernando Valley, Los Angeles, CA.