Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Srt, G Mg Seven Circles Iii

For Teachers 9th - 10th Standards
In this task, young scholars are shown circle formations where an inner circle is surrounded by a set of circles and all circles are touching. In the first situation, all circles have the same diameter. In the second, the inner circle is...
Unit Plan
Windstream

Ojk's Precalculus Study Page: Inverse Trig Functions

For Students 9th - 10th Standards
An introduction to the inverse trigonometric functions, concentrating on the domain restrictions, which are explained graphically. Several examples and exercises with solutions are included, as well as a quiz.
eBook
CK-12 Foundation

Ck 12: Algebra Ii: 4.6 Transformations of Trigonometric Functions

For Students 9th - 10th Standards
Explore how changes to the equations of sine and cosine functions affect the graphs of the functions through transformations (stretches and shifts).
Unit Plan
Khan Academy

Khan Academy: Intro to Inverse Trig Functions

For Students 9th - 10th Standards
Learn about arcsine, arccosine, and arctangent, and how they can be used to solve for a missing angle in right triangles.