Curated OER
The Laws of Sines and Cosines Made Simple!
Students explore the concept of law of sines and cosines. In this law of sines and cosines lesson plan, students construct a triangle tool from card stock and markers. Students use their triangle tool to aid in solving problems...
Curated OER
Using Trigonometric Ratios
Students solve problems using sine and cosine. In this trigonometry lesson, students apply the properties of sine and cosine to solve triangular problems. They identify when to use law of sines using angle-side relationships.
Curated OER
Will the Leaning Tower Fall?
Students research the Tower of Pisa and write a report about its history. They examine the physics of why it leans and whether it might fall. Students plan a trip to Italy to view the Tower. They develop an itinerary and budget for the...