lesson Write a review lesson Write a review beta EdBrAIn It EdBrAIn uses AI to customize lesson resources for your students’ needs. The unit circle definition of trigonometric function Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link KhanAcademy Subject Math Grade Level Grades 6-12 License About Resources Reviews Related About This Lesson Using the unit circle to extend the SOH CAH TOA definition of the basic trigonometric functions. Resources Videos The unit circle definition of trigonometric function Remote video URL Reviews Be the first to submit a review! Advertisement More from this Contributor Lesson Multiplication 7: Old video giving more examples Grades 6-12 KhanAcademy Lesson Least Common Multiple Grades 6-12 KhanAcademy Lesson Introductions to Equivalent fractions - Khan Academy Grades 6-12 KhanAcademy Lesson Greatest Common Divisor Grades 6-12 KhanAcademy Lesson Algebra: Linear Equations 3 Grades 6-12 KhanAcademy Lesson Algebra: Linear Equations 2 Grades 6-12 KhanAcademy