Activity
Texas Instruments

Texas Instruments: Numb3 Rs: Telling Time With the Sun

For Teachers 9th - 10th
Based off of the hit television show NUMB3RS, this activity is a very basic introduction to the tangent function and it's applications (such as measuring distances). Through this lesson, students will learn the definition of the tangent...
Activity
Wolfram Research

Wolfram Math World: Tangent

For Students 9th - 10th Standards
Graphs of the tangent function, both 2-dimensional and 3-dimensional. Higher level mathematics applications given including the hyperbolic tangent function, important relevant identities, the Macluarin series for the tangent function,...