A collection of lessons and practice exercises on trigonometric ratios. Students will learn how to solve for an angle and for a side, and to apply trigonometry in setting up and solving word problems.

The mathematics session investigates Pythagorean identities. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes a worksheet that verifies a Pythagorean...

A complete list of the important identities from high school trigonometry, complete with a set of exercises.

The mathematics session investigates inverse trigonometric functions. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource examines inverse trigonometric functions on...

In this instructional activity from POV, students will watch four video clips that provide glimpses into the lives of two high school seniors who live in New Mexico on the Navajo reservation. They will then analyze a current issue that...

A collection of lessons, practice activities, and a teacher resource that will aid your exploration and understanding of special right triangles.

This well-written article provides a discussion of inclusion of students with special needs, and is written in reference to the Montgomery County public school district in Virginia. The article provides an interesting and informative...

Two hands-on lab activities for instructors to use when teaching about the coordinate graphs of the sine, cosine, and tangent functions derived from a unit circle. The graphs of the reciprocals of the three functions are investigated....