Trigonometric Ratios
Learning Objective
I can define sine, cosine, and tangent using the unit circle and apply them to solve problems involving right triangles.
Lesson Flow
Watch Video
Basic trigonometry | Basic trigonometry | Trigonometry | Khan Academy
Khan Academy
Practice
7 questions • Short answer
Exit Ticket
“A right triangle has an angle θ such that the length of the opposite side is 6 and the length of the hypotenuse is 10. Calculate the sine, cosine, and tangent of angle θ. Show all work. In a right triangle, one angle measures 45 degrees, and the length of the hypotenuse is 8. Determine the lengths of the opposite and adjacent sides using trigonometric ratios. Show all work.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
