Trigonometric Functions
Grade 1145 min
aligned to Sin Cos Tan
Learning Objective
I can use the sine, cosine, and tangent functions to find missing angles and side lengths in right triangles.
Lesson Flow
Watch Video
Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent
Professor Dave Explains
Practice
7 questions • Short answer
Exit Ticket
“In a right triangle, the length of the adjacent side is 8 and the length of the hypotenuse is 10. Calculate the cosine of the angle opposite the side of length 8. Show all work. In another right triangle, the length of the opposite side is 5 and the length of the hypotenuse is 13. Calculate the sine of the angle opposite the side of length 5. Show all work.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts
