Education Technology

Mathematics lessons for IB® Diploma Programme

Applications and Interpretation | Geometry and Trigonometry

Trig Ratios

Students will use the graphing calculator to discover the relationship between the trigonometric functions of sine, cosine and tangent and the side length ratios of a right triangle.

Planning and Resources

Before the Activity

Download the attached PDF and look over the information on the first page. Download and distribute the attached TI-Nspire™ document (.tns file) for use during the activity.

During the Activity

Discuss the material from the activity pages with students as needed.

After the Activity

Encourage students to summarize what they have learned from completing the activity.