Unit: Trigonometry

15 años: Matemáticas Lengua extranjera
16 años: Lengua extranjera Matemáticas

Lesson plan (PDF file) designed to study the trigonometric ratios of an acute angle: sine, cosine and tangent and their inverses, and calculation of the reasons from the data in different contexts. Students learn about the history of trigonometry. They practice writing word problems. Finally students develop a story involving the missing angle or missing side of a right triangle.