ALEX Lesson Plan Resources

ALEX Lesson Plans  
Subject: Mathematics (9 - 12)
Title: "I Saw the Sine"
Description: This lesson will provide information that will prove the concept of sine and cosine is equal to the complementary angles of a right triangle. The lesson will examine the proper techniques for writing trigonometric ratios. The lesson will enhance background knowledge of proportions as well as use the terminology of means and extremes. This lesson results from the ALEX Resource Gap Project.